UBmatrix Calculation Trace Report
Line Concept Weight Decimals Precision Reported Calculated Source Message
1 Extended Link [ http://www.coned.com/taxonomy/role/StatementOfFinancialPositionClassified ]
2 Context eol_PE7811----0910-Q0003_STD_Inst_20081231_0_213714x395637 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets -6 [5] 30415000000 30,415,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 19654000000 19,654,000,000 Instance OK
ed:NetUtilityPlant 1.0 -6 [5] 19643000000 19,643,000,000 Instance OK
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet 1.0 -6 [5] 18592000000 18,592,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentGross 1.0 -6 [5] 23228000000 23,228,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentElectric 1.0 -6 [5] 16460000000 16,460,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGas 1.0 -6 [4] 3273000000 3,273,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentSteam 1.0 -6 [4] 1849000000 1,849,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGeneral 1.0 -6 [4] 1646000000 1,646,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation -1.0 -6 [4] 4636000000 4,636,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress 1.0 -6 [4] 1051000000 1,051,000,000 Instance
ed:NonUtilityPropertyNet 1.0 -6 [2] 11000000 11,000,000 Instance
us-gaap:AssetsCurrent 1.0 -6 [4] 2840000000 2,840,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [2] 37000000 37,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -6 [3] 937000000 937,000,000 Instance
us-gaap:OtherReceivables 1.0 -6 [3] 127000000 127,000,000 Instance
us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear 1.0 -6 [0] 0 0 Instance
us-gaap:DueFromAffiliateCurrent 1.0 -6 [3] 272000000 272,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 -6 [2] 37000000 37,000,000 Instance
us-gaap:EnergyRelatedInventoryGasStoredUnderground 1.0 -6 [3] 261000000 261,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 -6 [3] 145000000 145,000,000 Instance
us-gaap:PrepaidExpenseCurrent 1.0 -6 [3] 538000000 538,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 -6 [2] 71000000 71,000,000 Instance
ed:DemandSideManagementProgramCostsCurrent 1.0 -6 [3] 146000000 146,000,000 Instance
ed:DeferredDerivativeLossesCurrent 1.0 -6 [3] 247000000 247,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -6 [2] 22000000 22,000,000 Instance
us-gaap:LongTermInvestments 1.0 -6 [2] 93000000 93,000,000 Instance
ed:DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent 1.0 -6 [4] 7828000000 7,828,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 -6 [4] 7486000000 7,486,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [3] 342000000 342,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 30415000000 30,415,000,000 Instance OK
ed:TotalCapitalization 1.0 -6 [5] 17698000000 17,698,000,000 Instance OK
ed:CommonStockEquity 1.0 -6 [4] 8991000000 8,991,000,000 Instance
us-gaap:PreferredStockValue 1.0 -6 [3] 213000000 213,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 8494000000 8,494,000,000 Instance
us-gaap:LiabilitiesNoncurrent 1.0 -6 [4] 4748000000 4,748,000,000 Instance OK
us-gaap:CapitalLeaseObligationsNoncurrent 1.0 -6 [2] 17000000 17,000,000 Instance
ed:ProvisionForInjuriesAndDamages 1.0 -6 [3] 163000000 163,000,000 Instance
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilities 1.0 -6 [4] 4059000000 4,059,000,000 Instance
us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent 1.0 -6 [3] 196000000 196,000,000 Instance
us-gaap:LiabilityForUncertainTaxPositionsNoncurrent 1.0 -6 [3] 108000000 108,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 -6 [3] 115000000 115,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 -6 [2] 29000000 29,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [2] 61000000 61,000,000 Instance
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 2727000000 2,727,000,000 Instance OK
us-gaap:LongTermDebtCurrent 1.0 -6 [3] 475000000 475,000,000 Instance
us-gaap:NotesPayableCurrent 1.0 -6 [3] 253000000 253,000,000 Instance
us-gaap:AccountsPayable 1.0 -6 [3] 952000000 952,000,000 Instance
us-gaap:DueToAffiliate 1.0 -6 [2] 26000000 26,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 -6 [3] 250000000 250,000,000 Instance
us-gaap:TaxesPayable 1.0 -6 [2] 41000000 41,000,000 Instance
ed:CurrentPortionOfIntercompanyTaxPayable 1.0 -6 [2] 25000000 25,000,000 Instance
us-gaap:InterestPayable 1.0 -6 [3] 131000000 131,000,000 Instance
us-gaap:EmployeeRelatedLiabilities 1.0 -6 [2] 80000000 80,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 -6 [2] 87000000 87,000,000 Instance
ed:DeferredDerivativeGainsCurrent 1.0 -6 [2] 23000000 23,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 -6 [2] 59000000 59,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 -6 [3] 325000000 325,000,000 Instance
ed:DeferredCreditsAndRegulatoryLiabilities 1.0 -6 [4] 5242000000 5,242,000,000 Instance OK
ed:DeferredTaxLiabilitiesNoncurrentAndAccumulatedDeferredInvestmentTaxCredit 1.0 -6 [4] 4611000000 4,611,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 -6 [3] 600000000 600,000,000 Instance
us-gaap:OtherDeferredCreditsNoncurrent 1.0 -6 [2] 31000000 31,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_Inst_20081231_0_213714x221904 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets -6 [5] 33498000000 33,498,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 20874000000 20,874,000,000 Instance OK
ed:NetUtilityPlant 1.0 -6 [5] 20853000000 20,853,000,000 Instance OK
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet 1.0 -6 [5] 19744000000 19,744,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentGross 1.0 -6 [5] 24823000000 24,823,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentElectric 1.0 -6 [5] 17483000000 17,483,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGas 1.0 -6 [4] 3696000000 3,696,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentSteam 1.0 -6 [4] 1849000000 1,849,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGeneral 1.0 -6 [4] 1795000000 1,795,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation -1.0 -6 [4] 5079000000 5,079,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress 1.0 -6 [4] 1109000000 1,109,000,000 Instance
ed:NonUtilityPropertyNet 1.0 -6 [2] 20000000 20,000,000 Instance
us-gaap:ConstructionInProgressGross 1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:AssetsCurrent 1.0 -6 [4] 3369000000 3,369,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [2] 74000000 74,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -6 [4] 1098000000 1,098,000,000 Instance
us-gaap:OtherReceivables 1.0 -6 [3] 194000000 194,000,000 Instance
us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear 1.0 -6 [3] 131000000 131,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 -6 [2] 37000000 37,000,000 Instance
us-gaap:EnergyRelatedInventoryGasStoredUnderground 1.0 -6 [3] 325000000 325,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 -6 [3] 154000000 154,000,000 Instance
us-gaap:PrepaidExpenseCurrent 1.0 -6 [3] 697000000 697,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 -6 [3] 162000000 162,000,000 Instance
ed:DemandSideManagementProgramCostsCurrent 1.0 -6 [3] 172000000 172,000,000 Instance
ed:DeferredDerivativeLossesCurrent 1.0 -6 [3] 288000000 288,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -6 [2] 37000000 37,000,000 Instance
us-gaap:LongTermInvestments 1.0 -6 [3] 356000000 356,000,000 Instance
ed:DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent 1.0 -6 [4] 8899000000 8,899,000,000 Instance OK
us-gaap:Goodwill 1.0 -6 [3] 411000000 411,000,000 Instance
us-gaap:RegulatoryAssetsNoncurrent 1.0 -6 [4] 8055000000 8,055,000,000 Instance
us-gaap:IntangibleAssetsNetExcludingGoodwill 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [3] 428000000 428,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 33498000000 33,498,000,000 Instance OK
ed:TotalCapitalization 1.0 -6 [5] 19143000000 19,143,000,000 Instance OK
ed:CommonStockEquity 1.0 -6 [4] 9698000000 9,698,000,000 Instance
us-gaap:PreferredStockValue 1.0 -6 [3] 213000000 213,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 9232000000 9,232,000,000 Instance
us-gaap:LiabilitiesNoncurrent 1.0 -6 [4] 5379000000 5,379,000,000 Instance OK
us-gaap:CapitalLeaseObligationsNoncurrent 1.0 -6 [2] 17000000 17,000,000 Instance
ed:ProvisionForInjuriesAndDamages 1.0 -6 [3] 169000000 169,000,000 Instance
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilities 1.0 -6 [4] 4511000000 4,511,000,000 Instance
us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent 1.0 -6 [3] 250000000 250,000,000 Instance
us-gaap:LiabilityForUncertainTaxPositionsNoncurrent 1.0 -6 [3] 118000000 118,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 -6 [3] 115000000 115,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 -6 [3] 120000000 120,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [2] 79000000 79,000,000 Instance
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 3205000000 3,205,000,000 Instance OK
us-gaap:LongTermDebtCurrent 1.0 -6 [3] 482000000 482,000,000 Instance
us-gaap:NotesPayableCurrent 1.0 -6 [3] 363000000 363,000,000 Instance
us-gaap:AccountsPayable 1.0 -6 [4] 1161000000 1,161,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 -6 [3] 265000000 265,000,000 Instance
us-gaap:TaxesPayable 1.0 -6 [2] 57000000 57,000,000 Instance
us-gaap:InterestPayable 1.0 -6 [3] 139000000 139,000,000 Instance
us-gaap:EmployeeRelatedLiabilities 1.0 -6 [2] 88000000 88,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 -6 [3] 192000000 192,000,000 Instance
ed:DeferredDerivativeGainsCurrent 1.0 -6 [2] 23000000 23,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 -6 [2] 70000000 70,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 -6 [3] 365000000 365,000,000 Instance
ed:DeferredCreditsAndRegulatoryLiabilities 1.0 -6 [4] 5771000000 5,771,000,000 Instance OK
ed:DeferredTaxLiabilitiesNoncurrentAndAccumulatedDeferredInvestmentTaxCredit 1.0 -6 [4] 4999000000 4,999,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 -6 [3] 737000000 737,000,000 Instance
us-gaap:OtherDeferredCreditsNoncurrent 1.0 -6 [2] 35000000 35,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_Inst_20090630_0_213714x395637 [ 2009-06-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets -6 [5] 30444000000 30,444,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 20360000000 20,360,000,000 Instance OK
ed:NetUtilityPlant 1.0 -6 [5] 20350000000 20,350,000,000 Instance OK
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet 1.0 -6 [5] 19279000000 19,279,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentGross 1.0 -6 [5] 24049000000 24,049,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentElectric 1.0 -6 [5] 17055000000 17,055,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGas 1.0 -6 [4] 3407000000 3,407,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentSteam 1.0 -6 [4] 1880000000 1,880,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGeneral 1.0 -6 [4] 1707000000 1,707,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation -1.0 -6 [4] 4770000000 4,770,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress 1.0 -6 [4] 1071000000 1,071,000,000 Instance
ed:NonUtilityPropertyNet 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:AssetsCurrent 1.0 -6 [4] 2312000000 2,312,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [3] 290000000 290,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -6 [3] 793000000 793,000,000 Instance
us-gaap:OtherReceivables 1.0 -6 [3] 107000000 107,000,000 Instance
us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear 1.0 -6 [3] 357000000 357,000,000 Instance
us-gaap:DueFromAffiliateCurrent 1.0 -6 [2] 44000000 44,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 -6 [2] 28000000 28,000,000 Instance
us-gaap:EnergyRelatedInventoryGasStoredUnderground 1.0 -6 [3] 137000000 137,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 -6 [3] 149000000 149,000,000 Instance
us-gaap:PrepaidExpenseCurrent 1.0 -6 [2] 75000000 75,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 -6 [2] 54000000 54,000,000 Instance
ed:DemandSideManagementProgramCostsCurrent 1.0 -6 [0] 0 0 Instance
ed:DeferredDerivativeLossesCurrent 1.0 -6 [3] 207000000 207,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -6 [2] 71000000 71,000,000 Instance
us-gaap:LongTermInvestments 1.0 -6 [3] 105000000 105,000,000 Instance
ed:DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent 1.0 -6 [4] 7667000000 7,667,000,000 Instance OK
us-gaap:RegulatoryAssetsNoncurrent 1.0 -6 [4] 7308000000 7,308,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [3] 359000000 359,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 30444000000 30,444,000,000 Instance OK
ed:TotalCapitalization 1.0 -6 [5] 18131000000 18,131,000,000 Instance OK
ed:CommonStockEquity 1.0 -6 [4] 8999000000 8,999,000,000 Instance
us-gaap:PreferredStockValue 1.0 -6 [3] 213000000 213,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 8919000000 8,919,000,000 Instance
us-gaap:LiabilitiesNoncurrent 1.0 -6 [4] 4543000000 4,543,000,000 Instance OK
us-gaap:CapitalLeaseObligationsNoncurrent 1.0 -6 [2] 14000000 14,000,000 Instance
ed:ProvisionForInjuriesAndDamages 1.0 -6 [3] 168000000 168,000,000 Instance
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilities 1.0 -6 [4] 3859000000 3,859,000,000 Instance
us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent 1.0 -6 [3] 175000000 175,000,000 Instance
us-gaap:LiabilityForUncertainTaxPositionsNoncurrent 1.0 -6 [3] 107000000 107,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 -6 [3] 118000000 118,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 -6 [2] 40000000 40,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [2] 62000000 62,000,000 Instance
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 2169000000 2,169,000,000 Instance OK
us-gaap:LongTermDebtCurrent 1.0 -6 [3] 525000000 525,000,000 Instance
us-gaap:NotesPayableCurrent 1.0 -6 [0] 0 0 Instance
us-gaap:AccountsPayable 1.0 -6 [3] 726000000 726,000,000 Instance
us-gaap:DueToAffiliate 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 -6 [3] 253000000 253,000,000 Instance
us-gaap:TaxesPayable 1.0 -6 [2] 27000000 27,000,000 Instance
ed:CurrentPortionOfIntercompanyTaxPayable 1.0 -6 [2] 23000000 23,000,000 Instance
us-gaap:InterestPayable 1.0 -6 [3] 144000000 144,000,000 Instance
us-gaap:EmployeeRelatedLiabilities 1.0 -6 [2] 76000000 76,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 -6 [2] 76000000 76,000,000 Instance
ed:DeferredDerivativeGainsCurrent 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 -6 [0] 0 0 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 -6 [3] 299000000 299,000,000 Instance
ed:DeferredCreditsAndRegulatoryLiabilities 1.0 -6 [4] 5601000000 5,601,000,000 Instance OK
ed:DeferredTaxLiabilitiesNoncurrentAndAccumulatedDeferredInvestmentTaxCredit 1.0 -6 [4] 4807000000 4,807,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 -6 [3] 762000000 762,000,000 Instance
us-gaap:OtherDeferredCreditsNoncurrent 1.0 -6 [2] 32000000 32,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_Inst_20090630_0_213714x221904 [ 2009-06-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets -6 [5] 33710000000 33,710,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 21607000000 21,607,000,000 Instance OK
ed:NetUtilityPlant 1.0 -6 [5] 21585000000 21,585,000,000 Instance OK
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet 1.0 -6 [5] 20459000000 20,459,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentGross 1.0 -6 [5] 25681000000 25,681,000,000 Instance OK
ed:PublicUtilitiesPropertyPlantAndEquipmentElectric 1.0 -6 [5] 18104000000 18,104,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGas 1.0 -6 [4] 3839000000 3,839,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentSteam 1.0 -6 [4] 1880000000 1,880,000,000 Instance
ed:PublicUtilitiesPropertyPlantAndEquipmentGeneral 1.0 -6 [4] 1858000000 1,858,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation -1.0 -6 [4] 5222000000 5,222,000,000 Instance
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress 1.0 -6 [4] 1126000000 1,126,000,000 Instance
ed:NonUtilityPropertyNet 1.0 -6 [2] 19000000 19,000,000 Instance
us-gaap:ConstructionInProgressGross 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:AssetsCurrent 1.0 -6 [4] 2997000000 2,997,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [3] 311000000 311,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -6 [3] 938000000 938,000,000 Instance
us-gaap:OtherReceivables 1.0 -6 [3] 155000000 155,000,000 Instance
us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear 1.0 -6 [3] 475000000 475,000,000 Instance
us-gaap:EnergyRelatedInventoryOtherFossilFuel 1.0 -6 [2] 28000000 28,000,000 Instance
us-gaap:EnergyRelatedInventoryGasStoredUnderground 1.0 -6 [3] 170000000 170,000,000 Instance
us-gaap:InventoryRawMaterialsAndSupplies 1.0 -6 [3] 159000000 159,000,000 Instance
us-gaap:PrepaidExpenseCurrent 1.0 -6 [3] 175000000 175,000,000 Instance
us-gaap:DerivativeAssetsCurrent 1.0 -6 [3] 203000000 203,000,000 Instance
ed:DemandSideManagementProgramCostsCurrent 1.0 -6 [2] 36000000 36,000,000 Instance
ed:DeferredDerivativeLossesCurrent 1.0 -6 [3] 263000000 263,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -6 [2] 84000000 84,000,000 Instance
us-gaap:LongTermInvestments 1.0 -6 [3] 368000000 368,000,000 Instance
ed:DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent 1.0 -6 [4] 8738000000 8,738,000,000 Instance OK
us-gaap:Goodwill 1.0 -6 [3] 413000000 413,000,000 Instance
us-gaap:RegulatoryAssetsNoncurrent 1.0 -6 [4] 7858000000 7,858,000,000 Instance
us-gaap:IntangibleAssetsNetExcludingGoodwill 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [3] 463000000 463,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 33710000000 33,710,000,000 Instance OK
ed:TotalCapitalization 1.0 -6 [5] 19625000000 19,625,000,000 Instance OK
ed:CommonStockEquity 1.0 -6 [4] 9748000000 9,748,000,000 Instance
us-gaap:PreferredStockValue 1.0 -6 [3] 213000000 213,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 9664000000 9,664,000,000 Instance
us-gaap:LiabilitiesNoncurrent 1.0 -6 [4] 5218000000 5,218,000,000 Instance OK
us-gaap:CapitalLeaseObligationsNoncurrent 1.0 -6 [2] 14000000 14,000,000 Instance
ed:ProvisionForInjuriesAndDamages 1.0 -6 [3] 175000000 175,000,000 Instance
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilities 1.0 -6 [4] 4322000000 4,322,000,000 Instance
us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent 1.0 -6 [3] 227000000 227,000,000 Instance
us-gaap:LiabilityForUncertainTaxPositionsNoncurrent 1.0 -6 [3] 123000000 123,000,000 Instance
us-gaap:AssetRetirementObligationsNoncurrent 1.0 -6 [3] 118000000 118,000,000 Instance
us-gaap:DerivativeLiabilitiesNoncurrent 1.0 -6 [3] 150000000 150,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [2] 89000000 89,000,000 Instance
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 2735000000 2,735,000,000 Instance OK
us-gaap:LongTermDebtCurrent 1.0 -6 [3] 588000000 588,000,000 Instance
us-gaap:NotesPayableCurrent 1.0 -6 [3] 100000000 100,000,000 Instance
us-gaap:AccountsPayable 1.0 -6 [3] 939000000 939,000,000 Instance
us-gaap:CustomerDepositsCurrent 1.0 -6 [3] 268000000 268,000,000 Instance
us-gaap:TaxesPayable 1.0 -6 [2] 29000000 29,000,000 Instance
us-gaap:InterestPayable 1.0 -6 [3] 155000000 155,000,000 Instance
us-gaap:EmployeeRelatedLiabilities 1.0 -6 [2] 81000000 81,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 -6 [3] 217000000 217,000,000 Instance
ed:DeferredDerivativeGainsCurrent 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:DeferredTaxLiabilitiesCurrent 1.0 -6 [2] 15000000 15,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 -6 [3] 333000000 333,000,000 Instance
ed:DeferredCreditsAndRegulatoryLiabilities 1.0 -6 [4] 6132000000 6,132,000,000 Instance OK
ed:DeferredTaxLiabilitiesNoncurrentAndAccumulatedDeferredInvestmentTaxCredit 1.0 -6 [4] 5206000000 5,206,000,000 Instance
us-gaap:RegulatoryLiabilityNoncurrent 1.0 -6 [3] 891000000 891,000,000 Instance
us-gaap:OtherDeferredCreditsNoncurrent 1.0 -6 [2] 35000000 35,000,000 Instance


1 Extended Link [ http://www.coned.com/taxonomy/role/StatementOfOtherComprehensiveIncome ]
2 Context eol_PE7811----0910-Q0003_STD_p6m_20090630_0_213714x395637 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [3] 339000000 339,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 339000000 339,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [0] 0 0 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20090630_0_213714x221904 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
ed:ComprehensiveIncomeAvailableToCommonStockholdersNetOfTax -6 [3] 333000000 333,000,000 Instance OK
us-gaap:ComprehensiveIncomeNetOfTax 1.0 -6 [3] 339000000 339,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 336000000 336,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 3000000 3,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [0] 0 0 Instance
ed:OtherComprehensiveIncomeReclassificationAdjustmentForUnrealizedLossesIncludedInRegulatoryAssetsNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 6000000 6,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20080630_0_213714x395637 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [3] 346000000 346,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 346000000 346,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [0] 0 0 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20080630_0_213714x221904 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
ed:ComprehensiveIncomeAvailableToCommonStockholdersNetOfTax -6 [3] 864000000 864,000,000 Instance OK
us-gaap:ComprehensiveIncomeNetOfTax 1.0 -6 [3] 870000000 870,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 860000000 860,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [2] 10000000 10,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [1] -2000000 -2,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [1] -2000000 -2,000,000 Instance
ed:OtherComprehensiveIncomeReclassificationAdjustmentForUnrealizedLossesIncludedInRegulatoryAssetsNetOfTax 1.0 -6 [1] 8000000 8,000,000 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 6000000 6,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20090630_0_213714x395637 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [3] 139000000 139,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 139000000 139,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [0] 0 0 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20090630_0_213714x221904 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
ed:ComprehensiveIncomeAvailableToCommonStockholdersNetOfTax -6 [3] 152000000 152,000,000 Instance OK
us-gaap:ComprehensiveIncomeNetOfTax 1.0 -6 [3] 155000000 155,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 153000000 153,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 2000000 2,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [1] -1000000 -1,000,000 Instance
ed:OtherComprehensiveIncomeReclassificationAdjustmentForUnrealizedLossesIncludedInRegulatoryAssetsNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 3000000 3,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20080630_0_213714x395637 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [3] 124000000 124,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [0] 0 0 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20080630_0_213714x221904 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
ed:ComprehensiveIncomeAvailableToCommonStockholdersNetOfTax -6 [3] 555000000 555,000,000 Instance OK
us-gaap:ComprehensiveIncomeNetOfTax 1.0 -6 [3] 558000000 558,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 555000000 555,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 3000000 3,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [1] -2000000 -2,000,000 Instance
ed:OtherComprehensiveIncomeReclassificationAdjustmentForUnrealizedLossesIncludedInRegulatoryAssetsNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 3000000 3,000,000 Instance


1 Extended Link [ http://www.coned.com/taxonomy/role/StatementOfCashFlowsIndirect ]
2 Context eol_PE7811----0910-Q0003_STD_p6m_20090630_0_213714x395637 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [3] 253000000 253,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [4] 1327000000 1,327,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 339000000 339,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 366000000 366,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [3] 151000000 151,000,000 Instance
us-gaap:AdjustmentForAmortization 1.0 -6 [2] -13000000 -13,000,000 Instance
ed:NetTransmissionAndDistributionReconciliation 1.0 -6 [0] 0 0 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:OtherAdjustmentsForNoncashItemsIncludedInIncomeLossFromContinuingOperations 1.0 -6 [2] -52000000 -52,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsReceivable -1.0 -6 [3] -144000000 -144,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 -6 [3] -129000000 -129,000,000 Instance
us-gaap:IncreaseDecreaseInOtherReceivables -1.0 -6 [2] -71000000 -71,000,000 Instance
us-gaap:IncreaseDecreaseInPrepaidExpense -1.0 -6 [3] -463000000 -463,000,000 Instance
us-gaap:IncreaseDecreaseInOverUnderEnergyRecovery -1.0 -6 [3] -148000000 -148,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayable 1.0 -6 [3] -242000000 -242,000,000 Instance
us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations 1.0 -6 [2] -16000000 -16,000,000 Instance
us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable 1.0 -6 [2] -16000000 -16,000,000 Instance
us-gaap:IncreaseDecreaseInInterestPayableNet 1.0 -6 [2] 13000000 13,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredCharges -1.0 -6 [2] 63000000 63,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredLiabilities 1.0 -6 [2] -45000000 -45,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities 1.0 -6 [2] -45000000 -45,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [3] -959000000 -959,000,000 Instance OK
us-gaap:PaymentsForConstructionInProcess -1.0 -6 [3] 992000000 992,000,000 Instance
us-gaap:PaymentsForProceedsFromRemovalCosts -1.0 -6 [2] 85000000 85,000,000 Instance
us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:ProceedsFromCollectionOfAdvanceToAffiliate 1.0 -6 [3] 113000000 113,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [3] -115000000 -115,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebt 1.0 -6 [3] -253000000 -253,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -6 [3] 275000000 275,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 750000000 750,000,000 Instance
us-gaap:ProceedsFromContributionsFromParent 1.0 -6 [0] 0 0 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 -6 [3] 326000000 326,000,000 Instance
us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock -1.0 -6 [1] 6000000 6,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20090630_0_213714x221904 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [3] 237000000 237,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [4] 1437000000 1,437,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 336000000 336,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 389000000 389,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [3] 159000000 159,000,000 Instance
us-gaap:AdjustmentForAmortization 1.0 -6 [2] -13000000 -13,000,000 Instance
ed:NetTransmissionAndDistributionReconciliation 1.0 -6 [0] 0 0 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:GainLossOnSaleOfProject -1.0 -6 [0] 0 0 Instance
us-gaap:OtherAdjustmentsForNoncashItemsIncludedInIncomeLossFromContinuingOperations 1.0 -6 [2] -13000000 -13,000,000 Instance
us-gaap:GainLossOnSaleOfDerivatives -1.0 -6 [2] -26000000 -26,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsReceivable -1.0 -6 [3] -160000000 -160,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 -6 [3] -159000000 -159,000,000 Instance
us-gaap:IncreaseDecreaseInOtherReceivables -1.0 -6 [2] 68000000 68,000,000 Instance
us-gaap:IncreaseDecreaseInPrepaidExpense -1.0 -6 [3] -522000000 -522,000,000 Instance
us-gaap:IncreaseDecreaseInOverUnderEnergyRecovery -1.0 -6 [3] -128000000 -128,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayable 1.0 -6 [3] -157000000 -157,000,000 Instance
us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable 1.0 -6 [2] -28000000 -28,000,000 Instance
us-gaap:IncreaseDecreaseInInterestPayableNet 1.0 -6 [2] 16000000 16,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredCharges -1.0 -6 [3] 114000000 114,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredLiabilities 1.0 -6 [2] -19000000 -19,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities 1.0 -6 [2] -45000000 -45,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingAssets -1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [4] -1119000000 -1,119,000,000 Instance OK
us-gaap:PaymentsForConstructionInProcess -1.0 -6 [4] 1034000000 1,034,000,000 Instance
us-gaap:PaymentsForProceedsFromRemovalCosts -1.0 -6 [2] 87000000 87,000,000 Instance
us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:ProceedsFromSaleOfInvestmentProjects 1.0 -6 [0] 0 0 Instance
us-gaap:PaymentsToAcquireEquipmentOnLease -1.0 -6 [0] 0 0 Instance
us-gaap:PaymentsToAcquireProjects -1.0 -6 [0] 0 0 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [2] -81000000 -81,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebt 1.0 -6 [3] -263000000 -263,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -6 [3] 278000000 278,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 750000000 750,000,000 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 -6 [3] 300000000 300,000,000 Instance
us-gaap:ProceedsFromIssuanceOfCommonStock 1.0 -6 [2] 15000000 15,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20080630_0_213714x395637 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [3] 220000000 220,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [4] 1065000000 1,065,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 346000000 346,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 325000000 325,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [3] 193000000 193,000,000 Instance
us-gaap:AdjustmentForAmortization 1.0 -6 [3] -105000000 -105,000,000 Instance
ed:NetTransmissionAndDistributionReconciliation 1.0 -6 [2] -52000000 -52,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions -1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:OtherAdjustmentsForNoncashItemsIncludedInIncomeLossFromContinuingOperations 1.0 -6 [2] -27000000 -27,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsReceivable -1.0 -6 [2] -84000000 -84,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 -6 [2] 31000000 31,000,000 Instance
us-gaap:IncreaseDecreaseInOtherReceivables -1.0 -6 [3] 171000000 171,000,000 Instance
us-gaap:IncreaseDecreaseInPrepaidExpense -1.0 -6 [1] -4000000 -4,000,000 Instance
us-gaap:IncreaseDecreaseInOverUnderEnergyRecovery -1.0 -6 [2] 42000000 42,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayable 1.0 -6 [3] 129000000 129,000,000 Instance
us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations 1.0 -6 [2] 44000000 44,000,000 Instance
us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable 1.0 -6 [2] 12000000 12,000,000 Instance
us-gaap:IncreaseDecreaseInInterestPayableNet 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredCharges -1.0 -6 [3] 119000000 119,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredLiabilities 1.0 -6 [3] 473000000 473,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [4] -1060000000 -1,060,000,000 Instance OK
us-gaap:PaymentsForConstructionInProcess -1.0 -6 [4] 1031000000 1,031,000,000 Instance
us-gaap:PaymentsForProceedsFromRemovalCosts -1.0 -6 [2] 88000000 88,000,000 Instance
us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:ProceedsFromCollectionOfAdvanceToAffiliate 1.0 -6 [2] 55000000 55,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [3] 215000000 215,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebt 1.0 -6 [3] -555000000 -555,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -6 [3] 180000000 180,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [4] 1200000000 1,200,000,000 Instance
us-gaap:ProceedsFromContributionsFromParent 1.0 -6 [2] 49000000 49,000,000 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -6 [1] 9000000 9,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 -6 [3] 284000000 284,000,000 Instance
us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock -1.0 -6 [1] 6000000 6,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20080630_0_213714x221904 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [4] 1547000000 1,547,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [4] 1290000000 1,290,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 860000000 860,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 347000000 347,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [3] 202000000 202,000,000 Instance
us-gaap:AdjustmentForAmortization 1.0 -6 [3] -105000000 -105,000,000 Instance
ed:NetTransmissionAndDistributionReconciliation 1.0 -6 [2] -52000000 -52,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions -1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:GainLossOnSaleOfProject -1.0 -6 [3] 704000000 704,000,000 Instance
us-gaap:OtherAdjustmentsForNoncashItemsIncludedInIncomeLossFromContinuingOperations 1.0 -6 [3] -229000000 -229,000,000 Instance
us-gaap:GainLossOnSaleOfDerivatives -1.0 -6 [3] 106000000 106,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsReceivable -1.0 -6 [2] -69000000 -69,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 -6 [2] 35000000 35,000,000 Instance
us-gaap:IncreaseDecreaseInOtherReceivables -1.0 -6 [3] 148000000 148,000,000 Instance
us-gaap:IncreaseDecreaseInPrepaidExpense -1.0 -6 [2] -16000000 -16,000,000 Instance
us-gaap:IncreaseDecreaseInOverUnderEnergyRecovery -1.0 -6 [2] 33000000 33,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayable 1.0 -6 [3] 335000000 335,000,000 Instance
us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations 1.0 -6 [2] 63000000 63,000,000 Instance
us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable 1.0 -6 [3] 257000000 257,000,000 Instance
us-gaap:IncreaseDecreaseInInterestPayableNet 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredCharges -1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:IncreaseDecreaseInDeferredLiabilities 1.0 -6 [3] 638000000 638,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities 1.0 -6 [2] -94000000 -94,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingAssets -1.0 -6 [3] -133000000 -133,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [3] 294000000 294,000,000 Instance OK
us-gaap:PaymentsForConstructionInProcess -1.0 -6 [4] 1068000000 1,068,000,000 Instance
us-gaap:PaymentsForProceedsFromRemovalCosts -1.0 -6 [2] 90000000 90,000,000 Instance
us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:ProceedsFromSaleOfInvestmentProjects 1.0 -6 [4] 1477000000 1,477,000,000 Instance
us-gaap:PaymentsToAcquireEquipmentOnLease -1.0 -6 [2] 12000000 12,000,000 Instance
us-gaap:PaymentsToAcquireProjects -1.0 -6 [2] 20000000 20,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [2] -37000000 -37,000,000 Instance OK
us-gaap:ProceedsFromRepaymentsOfShortTermDebt 1.0 -6 [3] -763000000 -763,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -6 [3] 186000000 186,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [4] 1200000000 1,200,000,000 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -6 [1] 9000000 9,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 -6 [3] 298000000 298,000,000 Instance
us-gaap:ProceedsFromIssuanceOfCommonStock 1.0 -6 [2] 19000000 19,000,000 Instance


1 Extended Link [ http://www.coned.com/taxonomy/role/StatementOfIncomeAlternative ]
2 Context eol_PE7811----0910-Q0003_STD_p6m_20090630_0_213714x395637 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 333000000 333,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 339000000 339,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 599000000 599,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 4990000000 4,990,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 3469000000 3,469,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [4] 1077000000 1,077,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 444000000 444,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 4391000000 4,391,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 1256000000 1,256,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 321000000 321,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 542000000 542,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [4] 1033000000 1,033,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 366000000 366,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 697000000 697,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 176000000 176,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [1] 9000000 9,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 15000000 15,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 7000000 7,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 269000000 269,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 265000000 265,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [1] 7000000 7,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 6000000 6,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20090630_0_213714x221904 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 330000000 330,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 336000000 672,000,000 Instance Inconsistency found, calculated value is 672,000,000
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 614000000 614,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 6269000000 6,269,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 3758000000 3,758,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [4] 1222000000 1,222,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 444000000 444,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 845000000 845,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 5655000000 5,655,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 2205000000 2,205,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 321000000 321,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 633000000 633,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [4] 1203000000 1,203,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 389000000 389,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 727000000 727,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 177000000 177,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [0] 0 0 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [2] 21000000 21,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 21000000 21,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 8000000 8,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 299000000 299,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 293000000 293,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] 336000000 336,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 614000000 614,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 6269000000 6,269,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 3758000000 3,758,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [4] 1222000000 1,222,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 444000000 444,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 845000000 845,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 5655000000 5,655,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 2205000000 2,205,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 321000000 321,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 633000000 633,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [4] 1203000000 1,203,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 389000000 389,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 727000000 727,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 177000000 177,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [0] 0 0 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [2] 21000000 21,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 21000000 21,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 8000000 8,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 299000000 299,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 293000000 293,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 4000000 4,000,000 Instance
ed:TotalIncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 6000000 6,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [3] 1.20 1.2 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [3] 1.20 1.2 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [0] 0.00 0 Instance
us-gaap:EarningsPerShareDiluted 2 [3] 1.20 1.2 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [3] 1.20 1.2 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [0] 0.00 0 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20080630_0_213714x395637 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 340000000 340,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 346000000 346,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 571000000 571,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 5034000000 5,034,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 3492000000 3,492,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [4] 1124000000 1,124,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 418000000 418,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 4463000000 4,463,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 1425000000 1,425,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 322000000 322,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 642000000 642,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [3] 950000000 950,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 325000000 325,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 645000000 645,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 154000000 154,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [1] 7000000 7,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 13000000 13,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 7000000 7,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 232000000 232,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 227000000 227,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 6000000 6,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p6m_20080630_0_213714x221904 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 854000000 854,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 860000000 1,450,000,000 Instance Inconsistency found, calculated value is 1,450,000,000
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 798000000 798,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 6725000000 6,725,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 3830000000 3,830,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [4] 1272000000 1,272,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 418000000 418,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [4] 1205000000 1,205,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 6187000000 6,187,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 2653000000 2,653,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 325000000 325,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 740000000 740,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [4] 1108000000 1,108,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 347000000 347,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 677000000 677,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 337000000 337,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [3] 260000000 260,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [2] 42000000 42,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 69000000 69,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [2] 10000000 10,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [2] 21000000 21,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 254000000 254,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 244000000 244,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [2] 16000000 16,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 6000000 6,000,000 Instance
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] 586000000 586,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 798000000 798,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 6725000000 6,725,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 3830000000 3,830,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [4] 1272000000 1,272,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 418000000 418,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [4] 1205000000 1,205,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 6187000000 6,187,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 2653000000 2,653,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 325000000 325,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 740000000 740,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [4] 1108000000 1,108,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 347000000 347,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 677000000 677,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 337000000 337,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [3] 260000000 260,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [2] 42000000 42,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 69000000 69,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [2] 10000000 10,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [2] 21000000 21,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 254000000 254,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 244000000 244,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [2] 16000000 16,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 6000000 6,000,000 Instance
ed:TotalIncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [3] 274000000 274,000,000 Instance OK
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 -6 [3] 270000000 270,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 6000000 6,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [3] 3.14 3.14 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [3] 2.13 2.13 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [3] 1.01 1.01 Instance
us-gaap:EarningsPerShareDiluted 2 [3] 3.13 3.13 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [3] 2.12 2.12 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [3] 1.01 1.01 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20090630_0_213714x395637 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 136000000 136,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 139000000 139,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 273000000 273,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 2220000000 2,220,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 1812000000 1,812,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [3] 295000000 295,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 113000000 113,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 1947000000 1,947,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [3] 609000000 609,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [2] 86000000 86,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 114000000 114,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [3] 532000000 532,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 185000000 185,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 354000000 354,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [2] 67000000 67,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [1] 6000000 6,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 12000000 12,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 4000000 4,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 140000000 140,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 137000000 137,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 3000000 3,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20090630_0_213714x221904 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 150000000 150,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 153000000 306,000,000 Instance Inconsistency found, calculated value is 306,000,000
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 294000000 294,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 2845000000 2,845,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 1955000000 1,955,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [3] 334000000 334,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 113000000 113,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 443000000 443,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 2551000000 2,551,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 1065000000 1,065,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [2] 86000000 86,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 136000000 136,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [3] 622000000 622,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 197000000 197,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 367000000 367,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [2] 78000000 78,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [0] 0 0 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [2] 14000000 14,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 18000000 18,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 5000000 5,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 155000000 155,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 151000000 151,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [1] 6000000 6,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] 153000000 153,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 294000000 294,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 2845000000 2,845,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 1955000000 1,955,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [3] 334000000 334,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 113000000 113,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 443000000 443,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 2551000000 2,551,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 1065000000 1,065,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [2] 86000000 86,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 136000000 136,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [3] 622000000 622,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 197000000 197,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 367000000 367,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [2] 78000000 78,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [0] 0 0 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [2] 14000000 14,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 18000000 18,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 5000000 5,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 155000000 155,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 151000000 151,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [1] 6000000 6,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 2000000 2,000,000 Instance
ed:TotalIncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [0] 0 0 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 3000000 3,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [2] 0.55 0.55 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [2] 0.55 0.55 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [0] 0.00 0 Instance
us-gaap:EarningsPerShareDiluted 2 [2] 0.55 0.55 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [2] 0.55 0.55 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [0] 0.00 0 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20080630_0_213714x395637 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 121000000 121,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 124000000 124,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 238000000 238,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 2294000000 2,294,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 1778000000 1,778,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [3] 383000000 383,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 133000000 133,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 2056000000 2,056,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [3] 704000000 704,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 215000000 215,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [3] 488000000 488,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 171000000 171,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 313000000 313,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [2] 41000000 41,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [1] 3000000 3,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 10000000 10,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 5000000 5,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 117000000 117,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 121000000 121,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [1] -2000000 -2,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 3000000 3,000,000 Instance
2 Context eol_PE7811----0910-Q0003_STD_p3m_20080630_0_213714x221904 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic -6 [3] 552000000 552,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 555000000 838,000,000 Instance Inconsistency found, calculated value is 838,000,000
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 408000000 408,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 3149000000 3,149,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 1957000000 1,957,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [3] 426000000 426,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 133000000 133,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 633000000 633,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 3001000000 3,001,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 1362000000 1,362,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 243000000 243,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [3] 572000000 572,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 182000000 182,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 328000000 328,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 190000000 190,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [3] 260000000 260,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [1] 3000000 3,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 11000000 11,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 5000000 5,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 128000000 128,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 131000000 131,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [0] 0 0 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 3000000 3,000,000 Instance
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] 283000000 283,000,000 Instance OK
us-gaap:OperatingIncomeLoss 1.0 -6 [3] 408000000 408,000,000 Instance OK
us-gaap:Revenues 1.0 -6 [4] 3149000000 3,149,000,000 Instance OK
us-gaap:ElectricUtilityRevenue 1.0 -6 [4] 1957000000 1,957,000,000 Instance
us-gaap:GasDomesticRegulatedRevenue 1.0 -6 [3] 426000000 426,000,000 Instance
us-gaap:RevenueSteamProductsAndServices 1.0 -6 [3] 133000000 133,000,000 Instance
us-gaap:OtherSalesRevenueNet 1.0 -6 [3] 633000000 633,000,000 Instance
us-gaap:OperatingExpenses -1.0 -6 [4] 3001000000 3,001,000,000 Instance OK
us-gaap:CostOfPurchasedPower 1.0 -6 [4] 1362000000 1,362,000,000 Instance
us-gaap:FuelCosts 1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:CostOfPurchasedOilAndGas 1.0 -6 [3] 243000000 243,000,000 Instance
us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations 1.0 -6 [3] 572000000 572,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 182000000 182,000,000 Instance
us-gaap:TaxesOtherThanIncomeExciseProductionAndPropertyTaxes 1.0 -6 [3] 328000000 328,000,000 Instance
ed:IncomeTaxExpenseBenefitOperations 1.0 -6 [3] 190000000 190,000,000 Instance
us-gaap:GainLossOnSaleOfInterestInProjects 1.0 -6 [3] 260000000 260,000,000 Instance
us-gaap:NonoperatingIncomeExpense 1.0 -6 [1] 3000000 3,000,000 Instance OK
us-gaap:InvestmentIncomeNet 1.0 -6 [2] 11000000 11,000,000 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity 1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:OtherNonoperatingExpense -1.0 -6 [1] 5000000 5,000,000 Instance
ed:IncomeTaxExpenseBenefitOtherIncome -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:InterestAndDebtExpense -1.0 -6 [3] 128000000 128,000,000 Instance OK
us-gaap:InterestExpenseDebt 1.0 -6 [3] 131000000 131,000,000 Instance
us-gaap:InterestExpenseOther 1.0 -6 [0] 0 0 Instance
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest -1.0 -6 [1] 3000000 3,000,000 Instance
ed:TotalIncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [3] 272000000 272,000,000 Instance OK
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 1.0 -6 [3] 270000000 270,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:PreferredStockDividends -1.0 -6 [1] 3000000 3,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [3] 2.02 2.02 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [3] 1.03 1.03 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [2] 0.99 0.99 Instance
us-gaap:EarningsPerShareDiluted 2 [3] 2.02 2.02 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [3] 1.03 1.03 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [2] 0.99 0.99 Instance


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