UBmatrix Calculation Trace Report
Line Concept Weight Balance Decimals Precision Reported Calculated Source Message
1 Extended Link [ http://www.exeloncorp.com/taxonomy/role/StatementOfFinancialPositionClassified ]
2 Context eol_PE3541----0910-Q0007_STD_Inst_20081231_0_396770x415073 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 20355000000 20,355,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [4] 3724000000 3,724,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [4] 1135000000 1,135,000,000 Instance
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [2] 22000000 22,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [3] 673000000 673,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [3] 108000000 108,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 debit -6 [3] 410000000 410,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 debit -6 [3] 143000000 143,000,000 Instance
exc:AffiliateDerivativeAssetsCurrent 1.0 debit -6 [3] 111000000 111,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 debit -6 [3] 435000000 435,000,000 Instance
us-gaap:DueFromAffiliateCurrent 1.0 debit -6 [3] 277000000 277,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [3] 410000000 410,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [4] 8907000000 8,907,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [4] 7724000000 7,724,000,000 Instance OK
us-gaap:DecommissioningFundInvestments 1.0 debit -6 [4] 5500000000 5,500,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [2] 33000000 33,000,000 Instance
us-gaap:DueFromAffiliateNoncurrent 1.0 debit -6 [1] 1000000 1,000,000 Instance
us-gaap:PrepaidPensionCosts 1.0 debit -6 [3] 949000000 949,000,000 Instance
us-gaap:DerivativeAssetsNoncurrent 1.0 debit -6 [3] 490000000 490,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [3] 406000000 406,000,000 Instance
exc:AffiliateDerivativeAssetsNoncurrent 1.0 debit -6 [3] 345000000 345,000,000 Instance
exc:LiabilitiesAndMembersEquity NA -6 [5] 20355000000 20,355,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [5] 13789000000 13,789,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [4] 2437000000 2,437,000,000 Instance OK
us-gaap:OtherLongTermDebtCurrent 1.0 credit -6 [2] 12000000 12,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [3] 792000000 792,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [3] 761000000 761,000,000 Instance
us-gaap:DueToAffiliateCurrent 1.0 credit -6 [2] 78000000 78,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 credit -6 [3] 214000000 214,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [3] 324000000 324,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 credit -6 [3] 256000000 256,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [4] 2502000000 2,502,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [4] 8850000000 8,850,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 1968000000 1,968,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [4] 3536000000 3,536,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [3] 576000000 576,000,000 Instance
us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent 1.0 credit -6 [2] 63000000 63,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [3] 332000000 332,000,000 Instance
us-gaap:SpentNuclearFuelObligationNoncurrent 1.0 credit -6 [4] 1015000000 1,015,000,000 Instance
us-gaap:DueToAffiliateNoncurrent 1.0 credit -6 [4] 1336000000 1,336,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 credit -6 [2] 24000000 24,000,000 Instance
exc:MembersEquityIncludingPortionAttributableToNoncontrollingInterest 1.0 NA -6 [4] 6566000000 6,566,000,000 Instance OK
exc:MembersEquity 1.0 NA -6 [4] 6565000000 6,565,000,000 Instance OK
exc:MembershipInterest 1.0 credit -6 [4] 3407000000 3,407,000,000 Instance
exc:MembersEquityRetainedEarnings 1.0 credit -6 [4] 2323000000 2,323,000,000 Instance
exc:MembersEquityAccumulatedComprehensiveIncome 1.0 credit -6 [3] 835000000 835,000,000 Instance
us-gaap:MinorityInterest 1.0 credit -6 [1] 1000000 1,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_Inst_20081231_0_396770x415071 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 19237000000 19,237,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [4] 1309000000 1,309,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [2] 47000000 47,000,000 Instance
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [1] 1000000 1,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [3] 798000000 798,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [3] 162000000 162,000,000 Instance
us-gaap:InventoryNet 1.0 debit -6 [2] 75000000 75,000,000 Instance
us-gaap:RegulatoryAssetsCurrent 1.0 debit -6 [3] 169000000 169,000,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 debit -6 [2] 32000000 32,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [2] 25000000 25,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 11655000000 11,655,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [4] 6273000000 6,273,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 debit -6 [3] 858000000 858,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [2] 34000000 34,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 2625000000 2,625,000,000 Instance
us-gaap:DueFromAffiliateNoncurrent 1.0 debit -6 [4] 1291000000 1,291,000,000 Instance
us-gaap:PrepaidPensionCosts 1.0 debit -6 [3] 847000000 847,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [3] 618000000 618,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [5] 19237000000 19,237,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [5] 12502000000 12,502,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [4] 1153000000 1,153,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 credit -6 [2] 60000000 60,000,000 Instance
us-gaap:OtherLongTermDebtCurrent 1.0 credit -6 [2] 17000000 17,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [3] 307000000 307,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [3] 306000000 306,000,000 Instance
us-gaap:DueToAffiliateCurrent 1.0 credit -6 [3] 179000000 179,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 credit -6 [3] 119000000 119,000,000 Instance
exc:AffiliateDerivativeLiabilitiesCurrent 1.0 credit -6 [3] 111000000 111,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [2] 54000000 54,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [4] 4709000000 4,709,000,000 Instance
us-gaap:DueToRelatedPartiesNoncurrent 1.0 credit -6 [3] 206000000 206,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [4] 6434000000 6,434,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 2369000000 2,369,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [3] 174000000 174,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [3] 203000000 203,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 credit -6 [4] 2440000000 2,440,000,000 Instance
exc:AffiliateDerivativeLiabilitiesNoncurrent 1.0 credit -6 [3] 345000000 345,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [3] 903000000 903,000,000 Instance
us-gaap:StockholdersEquity 1.0 NA -6 [4] 6735000000 6,735,000,000 Instance OK
us-gaap:CommonStockValue 1.0 credit -6 [4] 1588000000 1,588,000,000 Instance
us-gaap:AdditionalPaidInCapital 1.0 credit -6 [4] 4982000000 4,982,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [3] 170000000 170,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [1] -5000000 -5,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_Inst_20081231_0_396770x415070 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [4] 9169000000 9,169,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [3] 819000000 819,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [2] 39000000 39,000,000 Instance
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [1] 2000000 2,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [3] 457000000 457,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [2] 39000000 39,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 debit -6 [3] 172000000 172,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 debit -6 [2] 18000000 18,000,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 debit -6 [2] 78000000 78,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [2] 14000000 14,000,000 Instance
us-gaap:PrepaidTaxes 1.0 debit -6 [0] 0 0 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [4] 5074000000 5,074,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [4] 3276000000 3,276,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 debit -6 [4] 2597000000 2,597,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [2] 15000000 15,000,000 Instance
us-gaap:DueFromAffiliateNoncurrent 1.0 debit -6 [2] 47000000 47,000,000 Instance
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 1.0 debit -6 [2] 39000000 39,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [3] 578000000 578,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [4] 9169000000 9,169,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [4] 6900000000 6,900,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [3] 981000000 981,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 credit -6 [2] 95000000 95,000,000 Instance
us-gaap:LongtermTransitionBondCurrent 1.0 credit -6 [3] 319000000 319,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [3] 204000000 204,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [3] 120000000 120,000,000 Instance
us-gaap:DueToAffiliateCurrent 1.0 credit -6 [3] 144000000 144,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 credit -6 [2] 74000000 74,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [2] 25000000 25,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [4] 1971000000 1,971,000,000 Instance
us-gaap:LongTermTransitionBond 1.0 credit -6 [3] 805000000 805,000,000 Instance
us-gaap:DueToRelatedPartiesNoncurrent 1.0 credit -6 [3] 184000000 184,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [4] 2959000000 2,959,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 2451000000 2,451,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [2] 24000000 24,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [3] 283000000 283,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 credit -6 [2] 49000000 49,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [3] 152000000 152,000,000 Instance
us-gaap:TemporaryEquityCarryingAmount 1.0 credit -6 [2] 87000000 87,000,000 Instance
us-gaap:StockholdersEquity 1.0 NA -6 [4] 2182000000 2,182,000,000 Instance OK
us-gaap:CommonStockValue 1.0 credit -6 [4] 2291000000 2,291,000,000 Instance
us-gaap:DueFromOfficersOrStockholdersNoncurrent -1.0 debit -6 [3] 500000000 500,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [3] 389000000 389,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [1] 2000000 2,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_Inst_20081231_0_396770x408412 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 47817000000 47,817,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [4] 5368000000 5,368,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [4] 1271000000 1,271,000,000 Instance
us-gaap:RestrictedCashAndInvestmentsCurrent 1.0 debit -6 [2] 75000000 75,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [4] 1928000000 1,928,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [3] 324000000 324,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 debit -6 [3] 410000000 410,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 debit -6 [3] 315000000 315,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 debit -6 [3] 528000000 528,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [3] 517000000 517,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 25813000000 25,813,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [5] 16636000000 16,636,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 debit -6 [4] 5940000000 5,940,000,000 Instance
us-gaap:DecommissioningFundInvestments 1.0 debit -6 [4] 5500000000 5,500,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [3] 670000000 670,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 2625000000 2,625,000,000 Instance
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 1.0 debit -6 [2] 45000000 45,000,000 Instance
us-gaap:DerivativeAssetsNoncurrent 1.0 debit -6 [3] 507000000 507,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [4] 1349000000 1,349,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [5] 47817000000 47,817,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [5] 36683000000 36,683,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [4] 4080000000 4,080,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 credit -6 [3] 211000000 211,000,000 Instance
us-gaap:LongtermTransitionBondCurrent 1.0 credit -6 [3] 319000000 319,000,000 Instance
us-gaap:OtherLongTermDebtCurrent 1.0 credit -6 [2] 29000000 29,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [4] 1416000000 1,416,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [4] 1151000000 1,151,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 credit -6 [3] 214000000 214,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [3] 663000000 663,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 credit -6 [2] 77000000 77,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [5] 11397000000 11,397,000,000 Instance
us-gaap:LongTermTransitionBond 1.0 credit -6 [3] 805000000 805,000,000 Instance
us-gaap:DueToRelatedPartiesNoncurrent 1.0 credit -6 [3] 390000000 390,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [5] 20011000000 20,011,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 4939000000 4,939,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [4] 3734000000 3,734,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [4] 2255000000 2,255,000,000 Instance
us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent 1.0 credit -6 [4] 4111000000 4,111,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 credit -6 [4] 2520000000 2,520,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [4] 1413000000 1,413,000,000 Instance
us-gaap:SpentNuclearFuelObligationNoncurrent 1.0 credit -6 [4] 1015000000 1,015,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 credit -6 [2] 24000000 24,000,000 Instance
us-gaap:TemporaryEquityCarryingAmount 1.0 credit -6 [2] 87000000 87,000,000 Instance
us-gaap:StockholdersEquity 1.0 NA -6 [5] 11047000000 11,047,000,000 Instance OK
us-gaap:CommonStockValue 1.0 credit -6 [4] 8816000000 8,816,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [4] 6820000000 6,820,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [4] -2251000000 -2,251,000,000 Instance
us-gaap:TreasuryStockValue -1.0 debit -6 [4] 2338000000 2,338,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_Inst_20090930_0_396770x415073 [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 22871000000 22,871,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [4] 4167000000 4,167,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [4] 1675000000 1,675,000,000 Instance
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [1] 8000000 8,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [3] 450000000 450,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [3] 180000000 180,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 debit -6 [3] 467000000 467,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 debit -6 [2] 90000000 90,000,000 Instance
exc:AffiliateDerivativeAssetsCurrent 1.0 debit -6 [3] 305000000 305,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 debit -6 [3] 478000000 478,000,000 Instance
us-gaap:DueFromAffiliateCurrent 1.0 debit -6 [3] 268000000 268,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [3] 246000000 246,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [4] 9320000000 9,320,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [4] 9384000000 9,384,000,000 Instance OK
us-gaap:DecommissioningFundInvestments 1.0 debit -6 [4] 6502000000 6,502,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [2] 43000000 43,000,000 Instance
us-gaap:DueFromAffiliateNoncurrent 1.0 debit -6 [1] 1000000 1,000,000 Instance
us-gaap:PrepaidPensionCosts 1.0 debit -6 [4] 1046000000 1,046,000,000 Instance
us-gaap:DerivativeAssetsNoncurrent 1.0 debit -6 [3] 470000000 470,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [3] 542000000 542,000,000 Instance
exc:AffiliateDerivativeAssetsNoncurrent 1.0 debit -6 [3] 780000000 780,000,000 Instance
exc:LiabilitiesAndMembersEquity NA -6 [5] 22871000000 22,871,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [5] 15771000000 15,771,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [4] 2279000000 2,279,000,000 Instance OK
us-gaap:OtherLongTermDebtCurrent 1.0 credit -6 [3] 147000000 147,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [3] 690000000 690,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [3] 559000000 559,000,000 Instance
us-gaap:DueToAffiliateCurrent 1.0 credit -6 [2] 40000000 40,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 credit -6 [3] 206000000 206,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [3] 232000000 232,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 credit -6 [3] 405000000 405,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [4] 2992000000 2,992,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [5] 10500000000 10,500,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 2878000000 2,878,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [4] 3262000000 3,262,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [3] 675000000 675,000,000 Instance
us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent 1.0 credit -6 [0] 0 0 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [3] 445000000 445,000,000 Instance
us-gaap:SpentNuclearFuelObligationNoncurrent 1.0 credit -6 [4] 1017000000 1,017,000,000 Instance
us-gaap:DueToAffiliateNoncurrent 1.0 credit -6 [4] 2153000000 2,153,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 credit -6 [2] 70000000 70,000,000 Instance
exc:MembersEquityIncludingPortionAttributableToNoncontrollingInterest 1.0 NA -6 [4] 7100000000 7,100,000,000 Instance OK
exc:MembersEquity 1.0 NA -6 [4] 7099000000 7,099,000,000 Instance OK
exc:MembershipInterest 1.0 credit -6 [4] 3465000000 3,465,000,000 Instance
exc:MembersEquityRetainedEarnings 1.0 credit -6 [4] 2220000000 2,220,000,000 Instance
exc:MembersEquityAccumulatedComprehensiveIncome 1.0 credit -6 [4] 1414000000 1,414,000,000 Instance
us-gaap:MinorityInterest 1.0 credit -6 [1] 1000000 1,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_Inst_20090930_0_396770x415071 [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 20521000000 20,521,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [4] 1329000000 1,329,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [2] 58000000 58,000,000 Instance
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [1] 2000000 2,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [3] 637000000 637,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [3] 147000000 147,000,000 Instance
us-gaap:InventoryNet 1.0 debit -6 [2] 72000000 72,000,000 Instance
us-gaap:RegulatoryAssetsCurrent 1.0 debit -6 [3] 332000000 332,000,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 debit -6 [2] 58000000 58,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [2] 23000000 23,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 11947000000 11,947,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [4] 7245000000 7,245,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 debit -6 [4] 1191000000 1,191,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [2] 40000000 40,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 2625000000 2,625,000,000 Instance
us-gaap:DueFromAffiliateNoncurrent 1.0 debit -6 [4] 1863000000 1,863,000,000 Instance
us-gaap:PrepaidPensionCosts 1.0 debit -6 [3] 931000000 931,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [3] 595000000 595,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [5] 20521000000 20,521,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [5] 13676000000 13,676,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [4] 1434000000 1,434,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 credit -6 [3] 140000000 140,000,000 Instance
us-gaap:OtherLongTermDebtCurrent 1.0 credit -6 [3] 213000000 213,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [3] 201000000 201,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [3] 265000000 265,000,000 Instance
us-gaap:DueToAffiliateCurrent 1.0 credit -6 [3] 135000000 135,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 credit -6 [3] 127000000 127,000,000 Instance
exc:AffiliateDerivativeLiabilitiesCurrent 1.0 credit -6 [3] 305000000 305,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [2] 48000000 48,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [4] 4497000000 4,497,000,000 Instance
us-gaap:DueToRelatedPartiesNoncurrent 1.0 credit -6 [3] 206000000 206,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [4] 7539000000 7,539,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 2606000000 2,606,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [2] 95000000 95,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [3] 270000000 270,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 credit -6 [4] 3078000000 3,078,000,000 Instance
exc:AffiliateDerivativeLiabilitiesNoncurrent 1.0 credit -6 [3] 779000000 779,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [3] 711000000 711,000,000 Instance
us-gaap:StockholdersEquity 1.0 NA -6 [4] 6845000000 6,845,000,000 Instance OK
us-gaap:CommonStockValue 1.0 credit -6 [4] 1588000000 1,588,000,000 Instance
us-gaap:AdditionalPaidInCapital 1.0 credit -6 [4] 4990000000 4,990,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [3] 265000000 265,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [1] 2000000 2,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_Inst_20090930_0_396770x415070 [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [4] 9107000000 9,107,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [3] 932000000 932,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [3] 277000000 277,000,000 Instance
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [0] 0 0 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [3] 331000000 331,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [2] 52000000 52,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 debit -6 [3] 125000000 125,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 debit -6 [2] 18000000 18,000,000 Instance
us-gaap:DeferredTaxAssetsNetCurrent 1.0 debit -6 [2] 70000000 70,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [2] 16000000 16,000,000 Instance
us-gaap:PrepaidTaxes 1.0 debit -6 [2] 43000000 43,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [4] 5207000000 5,207,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [4] 2968000000 2,968,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 debit -6 [4] 2016000000 2,016,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [2] 18000000 18,000,000 Instance
us-gaap:DueFromAffiliateNoncurrent 1.0 debit -6 [3] 292000000 292,000,000 Instance
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 1.0 debit -6 [2] 19000000 19,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [3] 623000000 623,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [4] 9107000000 9,107,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [4] 6547000000 6,547,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [4] 1098000000 1,098,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 credit -6 [0] 0 0 Instance
us-gaap:LongtermTransitionBondCurrent 1.0 credit -6 [3] 591000000 591,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [3] 100000000 100,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [3] 137000000 137,000,000 Instance
us-gaap:DueToAffiliateCurrent 1.0 credit -6 [3] 176000000 176,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 credit -6 [2] 67000000 67,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [2] 27000000 27,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [4] 2221000000 2,221,000,000 Instance
us-gaap:LongTermTransitionBond 1.0 credit -6 [0] 0 0 Instance
us-gaap:DueToRelatedPartiesNoncurrent 1.0 credit -6 [3] 184000000 184,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [4] 3044000000 3,044,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 2287000000 2,287,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [2] 24000000 24,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [3] 294000000 294,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 credit -6 [3] 295000000 295,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [3] 144000000 144,000,000 Instance
us-gaap:TemporaryEquityCarryingAmount 1.0 credit -6 [2] 87000000 87,000,000 Instance
us-gaap:StockholdersEquity 1.0 NA -6 [4] 2473000000 2,473,000,000 Instance OK
us-gaap:CommonStockValue 1.0 credit -6 [4] 2318000000 2,318,000,000 Instance
us-gaap:DueFromOfficersOrStockholdersNoncurrent -1.0 debit -6 [3] 260000000 260,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [3] 414000000 414,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [1] 1000000 1,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_Inst_20090930_0_396770x408412 [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 49502000000 49,502,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 NA -6 [4] 5895000000 5,895,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [4] 2374000000 2,374,000,000 Instance
us-gaap:RestrictedCashAndInvestmentsCurrent 1.0 debit -6 [2] 43000000 43,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 debit -6 [4] 1418000000 1,418,000,000 Instance
us-gaap:OtherReceivables 1.0 debit -6 [3] 442000000 442,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 debit -6 [3] 467000000 467,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 debit -6 [3] 216000000 216,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 debit -6 [3] 568000000 568,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 debit -6 [3] 367000000 367,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 26653000000 26,653,000,000 Instance
exc:TotalDeferredDebitsAndOtherAssets 1.0 NA -6 [5] 16954000000 16,954,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 debit -6 [4] 5137000000 5,137,000,000 Instance
us-gaap:DecommissioningFundInvestments 1.0 debit -6 [4] 6502000000 6,502,000,000 Instance
us-gaap:LongTermInvestments 1.0 debit -6 [3] 707000000 707,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 2625000000 2,625,000,000 Instance
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 1.0 debit -6 [2] 25000000 25,000,000 Instance
us-gaap:DerivativeAssetsNoncurrent 1.0 debit -6 [3] 482000000 482,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 debit -6 [4] 1476000000 1,476,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [5] 49502000000 49,502,000,000 Instance OK
us-gaap:Liabilities 1.0 NA -6 [5] 36925000000 36,925,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 NA -6 [4] 4444000000 4,444,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 credit -6 [3] 140000000 140,000,000 Instance
us-gaap:LongtermTransitionBondCurrent 1.0 credit -6 [3] 591000000 591,000,000 Instance
us-gaap:OtherLongTermDebtCurrent 1.0 credit -6 [3] 873000000 873,000,000 Instance
us-gaap:AccountsPayableCurrent 1.0 credit -6 [4] 1075000000 1,075,000,000 Instance
us-gaap:AccruedLiabilitiesCurrent 1.0 credit -6 [3] 888000000 888,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 credit -6 [3] 206000000 206,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 credit -6 [3] 554000000 554,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 credit -6 [3] 117000000 117,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 credit -6 [5] 11021000000 11,021,000,000 Instance
us-gaap:LongTermTransitionBond 1.0 credit -6 [0] 0 0 Instance
us-gaap:DueToRelatedPartiesNoncurrent 1.0 credit -6 [3] 390000000 390,000,000 Instance
exc:TotalDeferredCreditsAndOtherLiabilities 1.0 NA -6 [5] 21070000000 21,070,000,000 Instance OK
exc:DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits 1.0 credit -6 [4] 5858000000 5,858,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 credit -6 [4] 3381000000 3,381,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent 1.0 credit -6 [4] 2248000000 2,248,000,000 Instance
us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent 1.0 credit -6 [4] 3782000000 3,782,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 credit -6 [4] 3395000000 3,395,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 credit -6 [4] 1317000000 1,317,000,000 Instance
us-gaap:SpentNuclearFuelObligationNoncurrent 1.0 credit -6 [4] 1017000000 1,017,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 credit -6 [2] 72000000 72,000,000 Instance
us-gaap:TemporaryEquityCarryingAmount 1.0 credit -6 [2] 87000000 87,000,000 Instance
us-gaap:StockholdersEquity 1.0 NA -6 [5] 12490000000 12,490,000,000 Instance OK
us-gaap:CommonStockValue 1.0 credit -6 [4] 8896000000 8,896,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [4] 7905000000 7,905,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [4] -1973000000 -1,973,000,000 Instance
us-gaap:TreasuryStockValue -1.0 debit -6 [4] 2338000000 2,338,000,000 Instance


1 Extended Link [ http://www.exeloncorp.com/taxonomy/role/StatementOfCashFlowsIndirect ]
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x415073 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [3] 540000000 540,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [4] 3155000000 3,155,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [4] 1697000000 1,697,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [3] 797000000 797,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [3] 674000000 674,000,000 Instance
us-gaap:ImpairmentOfLongLivedAssetsHeldForUse 1.0 debit -6 [3] 223000000 223,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [2] 29000000 29,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [3] -147000000 -147,000,000 Instance
exc:NetMTMGainLossOnDerivativesAndUnrealizedRealizedGainLossOnNDTFunds -1.0 credit -6 [3] 257000000 257,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [1] 8000000 8,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [3] -105000000 -105,000,000 Instance
exc:ChangeReceivablesPayablesFromAffiliates 1.0 debit -6 [2] -30000000 -30,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [2] -22000000 -22,000,000 Instance
exc:IncreaseDecreaseInCounterpartyCollateralNet -1.0 credit -6 [3] -379000000 -379,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [3] 208000000 208,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [3] 161000000 161,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [4] -1497000000 -1,497,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [4] 1330000000 1,330,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [2] -14000000 -14,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [1] 1000000 1,000,000 Instance
us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments 1.0 debit -6 [5] 18769000000 18,769,000,000 Instance
us-gaap:PaymentsToAcquireOtherInvestments -1.0 credit -6 [5] 18949000000 18,949,000,000 Instance
exc:IncreaseDecreaseInvestmentsInMoneyPool 1.0 debit -6 [0] 0 0 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [4] -1118000000 -1,118,000,000 Instance OK
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [4] 1546000000 1,546,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [3] 920000000 920,000,000 Instance
us-gaap:PaymentsOfDistributionsToAffiliates -1.0 credit -6 [4] 1800000000 1,800,000,000 Instance
us-gaap:ProceedsFromContributionsFromAffiliates 1.0 debit -6 [2] 58000000 58,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 debit -6 [1] -2000000 -2,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x415071 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [2] 11000000 11,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [3] 711000000 711,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [3] 275000000 275,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [3] 372000000 372,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [3] 205000000 205,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] 235000000 235,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [3] -102000000 -102,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [1] -3000000 -3,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [3] -171000000 -171,000,000 Instance
exc:ChangeReceivablesPayablesFromAffiliates 1.0 debit -6 [2] -43000000 -43,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [2] -84000000 -84,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [3] 161000000 161,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [2] 22000000 22,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [3] -591000000 -591,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [3] 605000000 605,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [1] 1000000 1,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [2] -15000000 -15,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [3] -109000000 -109,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess 1.0 debit -6 [2] 80000000 80,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [3] 191000000 191,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [3] 208000000 208,000,000 Instance
us-gaap:RepaymentsOfRelatedPartyDebt -1.0 credit -6 [0] 0 0 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 credit -6 [3] 180000000 180,000,000 Instance
us-gaap:ProceedsFromContributionsFromParent 1.0 debit -6 [1] 8000000 8,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x415070 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [3] 238000000 238,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [3] 862000000 862,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [3] 275000000 275,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [3] 726000000 726,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [3] -166000000 -166,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] 107000000 107,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [2] -86000000 -86,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [2] -47000000 -47,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [3] -154000000 -154,000,000 Instance
exc:ChangeReceivablesPayablesFromAffiliates 1.0 debit -6 [2] 32000000 32,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [2] 27000000 27,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [2] 41000000 41,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [2] 77000000 77,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [3] -263000000 -263,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [3] 267000000 267,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [1] -2000000 -2,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [1] -2000000 -2,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [3] -361000000 -361,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess 1.0 debit -6 [2] -95000000 -95,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [3] 250000000 250,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [0] 0 0 Instance
us-gaap:RepaymentsOfRelatedPartyDebt -1.0 credit -6 [3] 533000000 533,000,000 Instance
exc:NetChangeBorrowingsFromMoneyPool 1.0 debit -6 [0] 0 0 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 credit -6 [3] 247000000 247,000,000 Instance
us-gaap:ProceedsFromContributionsFromParent 1.0 debit -6 [2] 27000000 27,000,000 Instance
us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock -1.0 credit -6 [1] 3000000 3,000,000 Instance
us-gaap:RepaymentOfNotesReceivableFromRelatedParties 1.0 debit -6 [3] 240000000 240,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 debit -6 [0] 0 0 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x408412 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [4] 1103000000 1,103,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [4] 4629000000 4,629,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [4] 2126000000 2,126,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [4] 1935000000 1,935,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [3] 740000000 740,000,000 Instance
us-gaap:ImpairmentOfLongLivedAssetsHeldForUse 1.0 debit -6 [3] 223000000 223,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] 464000000 464,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [3] -335000000 -335,000,000 Instance
exc:NetMTMGainLossOnDerivativesAndUnrealizedRealizedGainLossOnNDTFunds -1.0 credit -6 [3] 257000000 257,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [2] -41000000 -41,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [3] -463000000 -463,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [3] -176000000 -176,000,000 Instance
exc:IncreaseDecreaseInCounterpartyCollateralNet -1.0 credit -6 [3] -380000000 -380,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [3] 456000000 456,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [3] 263000000 263,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [4] -2384000000 -2,384,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [4] 2252000000 2,252,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [2] -32000000 -32,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [2] -16000000 -16,000,000 Instance
us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments 1.0 debit -6 [5] 18769000000 18,769,000,000 Instance
us-gaap:PaymentsToAcquireOtherInvestments -1.0 credit -6 [5] 18949000000 18,949,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [4] -1142000000 -1,142,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess 1.0 debit -6 [2] -71000000 -71,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [4] 1987000000 1,987,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [4] 1515000000 1,515,000,000 Instance
us-gaap:RepaymentsOfRelatedPartyDebt -1.0 credit -6 [3] 533000000 533,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 credit -6 [4] 1038000000 1,038,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 debit -6 [0] 0 0 Instance
us-gaap:ProceedsFromStockPlans 1.0 debit -6 [2] 28000000 28,000,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 credit -6 [0] 0 0 Instance
exc:PurchaseOfForwardContractInRelationToCertainTreasuryStock -1.0 credit -6 [0] 0 0 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x415073 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [2] -88000000 -88,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [4] 2785000000 2,785,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [4] 1725000000 1,725,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [3] 697000000 697,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [3] 238000000 238,000,000 Instance
us-gaap:ImpairmentOfLongLivedAssetsHeldForUse 1.0 debit -6 [0] 0 0 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] 234000000 234,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [2] -39000000 -39,000,000 Instance
exc:NetMTMGainLossOnDerivativesAndUnrealizedRealizedGainLossOnNDTFunds -1.0 credit -6 [3] 113000000 113,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [2] 75000000 75,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [2] -93000000 -93,000,000 Instance
exc:ChangeReceivablesPayablesFromAffiliates 1.0 debit -6 [2] -64000000 -64,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [3] 361000000 361,000,000 Instance
exc:IncreaseDecreaseInCounterpartyCollateralNet -1.0 credit -6 [3] -247000000 -247,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [2] 48000000 48,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [3] 363000000 363,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [4] -1705000000 -1,705,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [4] 1204000000 1,204,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [2] -19000000 -19,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [1] 3000000 3,000,000 Instance
us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments 1.0 debit -6 [5] 14392000000 14,392,000,000 Instance
us-gaap:PaymentsToAcquireOtherInvestments -1.0 credit -6 [5] 14621000000 14,621,000,000 Instance
exc:IncreaseDecreaseInvestmentsInMoneyPool 1.0 debit -6 [3] -288000000 -288,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [4] -1168000000 -1,168,000,000 Instance OK
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [0] 0 0 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [2] 12000000 12,000,000 Instance
us-gaap:PaymentsOfDistributionsToAffiliates -1.0 credit -6 [4] 1244000000 1,244,000,000 Instance
us-gaap:ProceedsFromContributionsFromAffiliates 1.0 debit -6 [2] 86000000 86,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 debit -6 [1] 2000000 2,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x415071 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [2] -23000000 -23,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [3] 734000000 734,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [3] 110000000 110,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [3] 343000000 343,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [2] 41000000 41,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] 197000000 197,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [2] 30000000 30,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [1] 3000000 3,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [2] -60000000 -60,000,000 Instance
exc:ChangeReceivablesPayablesFromAffiliates 1.0 debit -6 [2] 53000000 53,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [2] 83000000 83,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [1] 7000000 7,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [1] -7000000 -7,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [3] -710000000 -710,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [3] 723000000 723,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [0] 0 0 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [2] -13000000 -13,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [2] -47000000 -47,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess 1.0 debit -6 [3] -208000000 -208,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [4] 1325000000 1,325,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [3] 760000000 760,000,000 Instance
us-gaap:RepaymentsOfRelatedPartyDebt -1.0 credit -6 [3] 417000000 417,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 credit -6 [0] 0 0 Instance
us-gaap:ProceedsFromContributionsFromParent 1.0 debit -6 [2] 13000000 13,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x415070 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [1] 1000000 1,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [3] 767000000 767,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [3] 246000000 246,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [3] 653000000 653,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [3] -178000000 -178,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] 152000000 152,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [1] 6000000 6,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [2] 80000000 80,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [2] -61000000 -61,000,000 Instance
exc:ChangeReceivablesPayablesFromAffiliates 1.0 debit -6 [1] 6000000 6,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [2] 76000000 76,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [2] 25000000 25,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [2] 16000000 16,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [3] -291000000 -291,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [3] 299000000 299,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [1] -1000000 -1,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [1] -7000000 -7,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [3] -475000000 -475,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess 1.0 debit -6 [3] -223000000 -223,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [3] 644000000 644,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [3] 604000000 604,000,000 Instance
us-gaap:RepaymentsOfRelatedPartyDebt -1.0 credit -6 [3] 445000000 445,000,000 Instance
exc:NetChangeBorrowingsFromMoneyPool 1.0 debit -6 [3] 288000000 288,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 credit -6 [3] 382000000 382,000,000 Instance
us-gaap:ProceedsFromContributionsFromParent 1.0 debit -6 [2] 36000000 36,000,000 Instance
us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock -1.0 credit -6 [1] 3000000 3,000,000 Instance
us-gaap:RepaymentOfNotesReceivableFromRelatedParties 1.0 debit -6 [3] 213000000 213,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 debit -6 [1] 1000000 1,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x408412 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [3] -129000000 -129,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [4] 4367000000 4,367,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 credit -6 [4] 2030000000 2,030,000,000 Instance
us-gaap:DepreciationAmortizationAndAccretionNet 1.0 debit -6 [4] 1725000000 1,725,000,000 Instance
us-gaap:DeferredIncomeTaxesAndTaxCredits 1.0 debit -6 [3] 111000000 111,000,000 Instance
us-gaap:ImpairmentOfLongLivedAssetsHeldForUse 1.0 debit -6 [0] 0 0 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] 658000000 658,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [3] -226000000 -226,000,000 Instance
exc:NetMTMGainLossOnDerivativesAndUnrealizedRealizedGainLossOnNDTFunds -1.0 credit -6 [3] 115000000 115,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 credit -6 [3] 158000000 158,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 1.0 debit -6 [3] -261000000 -261,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable 1.0 debit -6 [3] 457000000 457,000,000 Instance
exc:IncreaseDecreaseInCounterpartyCollateralNet -1.0 credit -6 [3] -245000000 -245,000,000 Instance
us-gaap:PensionAndOtherPostretirementBenefitContributions -1.0 credit -6 [3] 103000000 103,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [3] 448000000 448,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [4] -2477000000 -2,477,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [4] 2282000000 2,282,000,000 Instance
us-gaap:IncreaseDecreaseInRestrictedCash -1.0 credit -6 [2] -28000000 -28,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [1] -6000000 -6,000,000 Instance
us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments 1.0 debit -6 [5] 14392000000 14,392,000,000 Instance
us-gaap:PaymentsToAcquireOtherInvestments -1.0 credit -6 [5] 14621000000 14,621,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 NA -6 [4] -2019000000 -2,019,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess 1.0 debit -6 [3] -431000000 -431,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 debit -6 [4] 1969000000 1,969,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 credit -6 [4] 1397000000 1,397,000,000 Instance
us-gaap:RepaymentsOfRelatedPartyDebt -1.0 credit -6 [3] 862000000 862,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 credit -6 [3] 989000000 989,000,000 Instance
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities 1.0 debit -6 [2] 69000000 69,000,000 Instance
us-gaap:ProceedsFromStockPlans 1.0 debit -6 [3] 122000000 122,000,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 credit -6 [3] 436000000 436,000,000 Instance
exc:PurchaseOfForwardContractInRelationToCertainTreasuryStock -1.0 credit -6 [2] 64000000 64,000,000 Instance


1 Extended Link [ http://www.exeloncorp.com/taxonomy/role/StatementOfIncomeAlternative ]
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x415073 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [4] 2256000000 2,256,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [4] 1697000000 3,394,000,000 Instance Inconsistency found, calculated value is 3,394,000,000
us-gaap:IncomeLossFromContinuingOperations 1.0 NA -6 [4] 1697000000 1,697,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 2830000000 2,830,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 2584000000 2,584,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 7424000000 7,424,000,000 Instance OK
us-gaap:ElectricalGenerationRevenue 1.0 credit -6 [4] 4737000000 4,737,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [4] 2687000000 2,687,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 4840000000 4,840,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 962000000 962,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1295000000 1,295,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 1975000000 1,975,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 223000000 223,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [3] 235000000 235,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 150000000 150,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] 246000000 246,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 77000000 77,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [1] -2000000 -2,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] 325000000 325,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 1133000000 1,133,000,000 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 2830000000 2,830,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 2584000000 2,584,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 7424000000 7,424,000,000 Instance OK
us-gaap:ElectricalGenerationRevenue 1.0 credit -6 [4] 4737000000 4,737,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [4] 2687000000 2,687,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 4840000000 4,840,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 962000000 962,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1295000000 1,295,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 1975000000 1,975,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 223000000 223,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [3] 235000000 235,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 150000000 150,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] 246000000 246,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 77000000 77,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [1] -2000000 -2,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] 325000000 325,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 NA -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 credit -6 [0] 0 0 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 1133000000 1,133,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [3] 559000000 559,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 credit -6 [0] 0 0 Instance
exc:OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax -1.0 debit -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 credit -6 [3] 559000000 559,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x415071 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [3] 282000000 282,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [3] 275000000 275,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 444000000 444,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 618000000 618,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 4417000000 4,417,000,000 Instance OK
us-gaap:ElectricalTransmissionAndDistributionRevenue 1.0 credit -6 [4] 4415000000 4,415,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [1] 2000000 2,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 3799000000 3,799,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 1235000000 1,235,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 668000000 668,000,000 Instance
exc:CostOfPurchasedPowerAffiliate 1.0 debit -6 [4] 1138000000 1,138,000,000 Instance
exc:OtherCostAndExpenseOperatingRegulatoryRequiredPrograms 1.0 debit -6 [2] 44000000 44,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 371000000 371,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [3] 128000000 128,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 215000000 215,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -174000000 -174,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 231000000 231,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 10000000 10,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [0] 0 0 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [2] 67000000 67,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 169000000 169,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [1] 7000000 7,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 credit -6 [1] 7000000 7,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x415070 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [3] 274000000 274,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [3] 275000000 275,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 381000000 381,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 537000000 4,580,000,000 Instance Inconsistency found, calculated value is 4,580,000,000
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4038000000 4,038,000,000 Instance
us-gaap:Revenues 1.0 NA -6 [4] 4045000000 4,045,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4038000000 4,038,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [1] 7000000 7,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 3508000000 3,508,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 203000000 203,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [3] 346000000 346,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 409000000 409,000,000 Instance
exc:CostOfPurchasedPowerAffiliate 1.0 debit -6 [4] 1539000000 1,539,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 726000000 726,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [2] 72000000 72,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 213000000 213,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -156000000 -156,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 93000000 93,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 52000000 52,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -19000000 -19,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [1] 8000000 8,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 106000000 106,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [1] -1000000 -1,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 debit -6 [1] 1000000 1,000,000 Instance
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic NA -6 [3] 272000000 272,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [3] 275000000 275,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 381000000 381,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 537000000 4,580,000,000 Instance Inconsistency found, calculated value is 4,580,000,000
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4038000000 4,038,000,000 Instance
us-gaap:Revenues 1.0 NA -6 [4] 4045000000 4,045,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4038000000 4,038,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [1] 7000000 7,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 3508000000 3,508,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 203000000 203,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [3] 346000000 346,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 409000000 409,000,000 Instance
exc:CostOfPurchasedPowerAffiliate 1.0 debit -6 [4] 1539000000 1,539,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 726000000 726,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [2] 72000000 72,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 213000000 213,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -156000000 -156,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 93000000 93,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 52000000 52,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -19000000 -19,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [1] 8000000 8,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 106000000 106,000,000 Instance
us-gaap:PreferredStockDividends -1.0 debit -6 [1] 3000000 3,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20090930_0_396770x408412 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [4] 2404000000 2,404,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [4] 2126000000 4,252,000,000 Instance Inconsistency found, calculated value is 4,252,000,000
us-gaap:IncomeLossFromContinuingOperations 1.0 NA -6 [4] 2126000000 2,126,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 3465000000 3,465,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 3674000000 3,674,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [5] 13202000000 13,202,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 9528000000 9,528,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 2400000000 2,400,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1640000000 1,640,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 3492000000 3,492,000,000 Instance
exc:OtherCostAndExpenseOperatingRegulatoryRequiredPrograms 1.0 debit -6 [2] 44000000 44,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [4] 1360000000 1,360,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 592000000 592,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -209000000 -209,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 493000000 493,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 62000000 62,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -21000000 -21,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] 367000000 367,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 1339000000 1,339,000,000 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 3465000000 3,465,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 3674000000 3,674,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [5] 13202000000 13,202,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 9528000000 9,528,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 2400000000 2,400,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1640000000 1,640,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 3492000000 3,492,000,000 Instance
exc:OtherCostAndExpenseOperatingRegulatoryRequiredPrograms 1.0 debit -6 [2] 44000000 44,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [4] 1360000000 1,360,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 592000000 592,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -209000000 -209,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 493000000 493,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 62000000 62,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -21000000 -21,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] 367000000 367,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 NA -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 credit -6 [0] 0 0 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 1339000000 1,339,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [3] 278000000 278,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 credit -6 [1] -8000000 -8,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 credit -6 [1] 7000000 7,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax 1.0 credit -6 [2] 72000000 72,000,000 Instance
exc:OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax -1.0 debit -6 [2] -28000000 -28,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax 1.0 credit -6 [1] 2000000 2,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 credit -6 [3] 177000000 177,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x415073 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [4] 2264000000 2,264,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [4] 1725000000 3,451,000,000 Instance Inconsistency found, calculated value is 3,451,000,000
us-gaap:IncomeLossFromContinuingOperations 1.0 NA -6 [4] 1726000000 1,726,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 2617000000 2,617,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 3018000000 3,018,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 8311000000 8,311,000,000 Instance OK
us-gaap:ElectricalGenerationRevenue 1.0 credit -6 [4] 5584000000 5,584,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [4] 2727000000 2,727,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 5293000000 5,293,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 1704000000 1,704,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1211000000 1,211,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 1811000000 1,811,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 202000000 202,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [3] 212000000 212,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 153000000 153,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -401000000 -401,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 108000000 108,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [1] -1000000 -1,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] -292000000 -292,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 891000000 891,000,000 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 2617000000 2,617,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 3018000000 3,018,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 8311000000 8,311,000,000 Instance OK
us-gaap:ElectricalGenerationRevenue 1.0 credit -6 [4] 5584000000 5,584,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [4] 2727000000 2,727,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 5293000000 5,293,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 1704000000 1,704,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1211000000 1,211,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 1811000000 1,811,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 202000000 202,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [3] 212000000 212,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 153000000 153,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -401000000 -401,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 108000000 108,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [1] -1000000 -1,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] -292000000 -292,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 NA -6 [1] -1000000 -1,000,000 Instance OK
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 credit -6 [1] -1000000 -1,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 891000000 891,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [3] 539000000 539,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 credit -6 [1] -1000000 -1,000,000 Instance
exc:OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax -1.0 debit -6 [1] 3000000 3,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 credit -6 [3] 543000000 543,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x415071 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [3] 107000000 107,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [3] 110000000 110,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 176000000 176,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 450000000 450,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 4594000000 4,594,000,000 Instance OK
us-gaap:ElectricalTransmissionAndDistributionRevenue 1.0 credit -6 [4] 4591000000 4,591,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [1] 3000000 3,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 4144000000 4,144,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 1605000000 1,605,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 701000000 701,000,000 Instance
exc:CostOfPurchasedPowerAffiliate 1.0 debit -6 [4] 1124000000 1,124,000,000 Instance
exc:OtherCostAndExpenseOperatingRegulatoryRequiredPrograms 1.0 debit -6 [2] 17000000 17,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 343000000 343,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [3] 127000000 127,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 227000000 227,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -274000000 -274,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 261000000 261,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 18000000 18,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [1] -7000000 -7,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [2] 12000000 12,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [2] 66000000 66,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [1] -3000000 -3,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 credit -6 [1] -3000000 -3,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x415070 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [3] 245000000 245,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [3] 246000000 246,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 357000000 357,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 526000000 4,710,000,000 Instance Inconsistency found, calculated value is 4,710,000,000
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4185000000 4,185,000,000 Instance
us-gaap:Revenues 1.0 NA -6 [4] 4195000000 4,195,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4185000000 4,185,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [2] 10000000 10,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 3669000000 3,669,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 257000000 257,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [3] 397000000 397,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 487000000 487,000,000 Instance
exc:CostOfPurchasedPowerAffiliate 1.0 debit -6 [4] 1602000000 1,602,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 653000000 653,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [2] 70000000 70,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 203000000 203,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -169000000 -169,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 81000000 81,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 90000000 90,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -11000000 -11,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [2] 13000000 13,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 111000000 111,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [1] -1000000 -1,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 debit -6 [1] 1000000 1,000,000 Instance
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic NA -6 [3] 243000000 243,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [3] 246000000 246,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 357000000 357,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 526000000 4,710,000,000 Instance Inconsistency found, calculated value is 4,710,000,000
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4185000000 4,185,000,000 Instance
us-gaap:Revenues 1.0 NA -6 [4] 4195000000 4,195,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [4] 4185000000 4,185,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [2] 10000000 10,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 3669000000 3,669,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 257000000 257,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [3] 397000000 397,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 487000000 487,000,000 Instance
exc:CostOfPurchasedPowerAffiliate 1.0 debit -6 [4] 1602000000 1,602,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 653000000 653,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [2] 70000000 70,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 203000000 203,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -169000000 -169,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 81000000 81,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [2] 90000000 90,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -11000000 -11,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [2] 13000000 13,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 111000000 111,000,000 Instance
us-gaap:PreferredStockDividends -1.0 debit -6 [1] 3000000 3,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p9m_20080930_0_396770x408412 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [4] 2399000000 2,399,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [4] 2030000000 4,061,000,000 Instance Inconsistency found, calculated value is 4,061,000,000
us-gaap:IncomeLossFromContinuingOperations 1.0 NA -6 [4] 2031000000 2,031,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 3053000000 3,053,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 3966000000 3,966,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [5] 14366000000 14,366,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [5] 10400000000 10,400,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 3565000000 3,565,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1608000000 1,608,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 3383000000 3,383,000,000 Instance
exc:OtherCostAndExpenseOperatingRegulatoryRequiredPrograms 1.0 debit -6 [2] 17000000 17,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [4] 1230000000 1,230,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 597000000 597,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -913000000 -913,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 532000000 532,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [3] 106000000 106,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -19000000 -19,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] -256000000 -256,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 1022000000 1,022,000,000 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 3053000000 3,053,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 3966000000 3,966,000,000 Instance OK
us-gaap:UtilityRevenue 1.0 credit -6 [5] 14366000000 14,366,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [5] 10400000000 10,400,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [4] 3565000000 3,565,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [4] 1608000000 1,608,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [4] 3383000000 3,383,000,000 Instance
exc:OtherCostAndExpenseOperatingRegulatoryRequiredPrograms 1.0 debit -6 [2] 17000000 17,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [4] 1230000000 1,230,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [3] 597000000 597,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -913000000 -913,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [3] 532000000 532,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [3] 106000000 106,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [2] -19000000 -19,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] -256000000 -256,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 NA -6 [1] -1000000 -1,000,000 Instance OK
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 credit -6 [1] -1000000 -1,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 1022000000 1,022,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [3] 369000000 369,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 credit -6 [1] -7000000 -7,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 credit -6 [1] -3000000 -3,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax 1.0 credit -6 [2] 47000000 47,000,000 Instance
exc:OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax -1.0 debit -6 [1] -2000000 -2,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax 1.0 credit -6 [1] 2000000 2,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 credit -6 [3] 328000000 328,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p3m_20090930_0_396770x415073 [ 2009-07-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [3] 559000000 559,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [3] 657000000 1,310,000,000 Instance Inconsistency found, calculated value is 1,310,000,000
us-gaap:IncomeLossFromContinuingOperations 1.0 NA -6 [3] 657000000 657,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 1213000000 1,213,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 1046000000 1,046,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 2445000000 2,445,000,000 Instance OK
us-gaap:ElectricalGenerationRevenue 1.0 credit -6 [4] 1534000000 1,534,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [3] 911000000 911,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 1399000000 1,399,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 303000000 303,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [3] 379000000 379,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 522000000 522,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [2] 74000000 74,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [2] 70000000 70,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [2] 51000000 51,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] 167000000 167,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 24000000 24,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [1] -1000000 -1,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] 192000000 192,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 556000000 556,000,000 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [4] 1213000000 1,213,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [4] 1046000000 1,046,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 2445000000 2,445,000,000 Instance OK
us-gaap:ElectricalGenerationRevenue 1.0 credit -6 [4] 1534000000 1,534,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [3] 911000000 911,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 1399000000 1,399,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 303000000 303,000,000 Instance
us-gaap:FuelCosts 1.0 debit -6 [3] 379000000 379,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 522000000 522,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [2] 74000000 74,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [2] 70000000 70,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [2] 51000000 51,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] 167000000 167,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 24000000 24,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [1] -1000000 -1,000,000 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [3] 192000000 192,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 NA -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 credit -6 [0] 0 0 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 556000000 556,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [2] -98000000 -98,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax 1.0 credit -6 [0] 0 0 Instance
exc:OtherComprehensiveIncomePensionAndNonPensionPostretirementBenefitPlanValuationAdjustmentNetOfTax -1.0 debit -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 credit -6 [2] -98000000 -98,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p3m_20090930_0_396770x415071 [ 2009-07-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [2] 48000000 48,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [2] 46000000 46,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 102000000 102,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 203000000 203,000,000 Instance OK
us-gaap:Revenues 1.0 NA -6 [4] 1475000000 1,475,000,000 Instance OK
us-gaap:ElectricalTransmissionAndDistributionRevenue 1.0 credit -6 [4] 1474000000 1,474,000,000 Instance
us-gaap:RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty 1.0 credit -6 [1] 1000000 1,000,000 Instance
us-gaap:CostsAndExpenses -1.0 NA -6 [4] 1272000000 1,272,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 debit -6 [3] 423000000 423,000,000 Instance
us-gaap:OtherCostAndExpenseOperating 1.0 debit -6 [3] 234000000 234,000,000 Instance
exc:CostOfPurchasedPowerAffiliate 1.0 debit -6 [3] 353000000 353,000,000 Instance
exc:OtherCostAndExpenseOperatingRegulatoryRequiredPrograms 1.0 debit -6 [2] 19000000 19,000,000 Instance
us-gaap:OtherDepreciationAndAmortization 1.0 debit -6 [3] 125000000 125,000,000 Instance
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty 1.0 debit -6 [2] 39000000 39,000,000 Instance
us-gaap:TaxesExcludingIncomeAndExciseTaxes 1.0 debit -6 [2] 79000000 79,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 NA -6 [3] -101000000 -101,000,000 Instance OK
us-gaap:InterestExpense -1.0 debit -6 [2] 79000000 79,000,000 Instance
exc:InterestExpenseToAffiliatesNet -1.0 debit -6 [1] 3000000 3,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [0] 0 0 Instance
us-gaap:OtherNonoperatingIncomeExpense 1.0 credit -6 [2] -19000000 -19,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [2] 56000000 56,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 NA -6 [1] 2000000 2,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 credit -6 [1] 2000000 2,000,000 Instance
2 Context eol_PE3541----0910-Q0007_STD_p3m_20090930_0_396770x415070 [ 2009-07-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax NA -6 [2] 91000000 91,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 NA -6 [2] 92000000 92,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic 1.0 NA -6 [3] 122000000 122,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 NA -6 [3] 172000000 1,500,000,000 Instance Inconsistency found, calculated value is 1,500,000,000
us-gaap:UtilityRevenue 1.0 credit -6 [4] 1325