UBmatrix Calculation Trace Report
Line Concept Weight Balance Decimals Precision Reported Calculated Source Message
1 Extended Link [ http://www.berkshirehathaway.com/2009-09-30/role/ConsolidatedBalanceSheets ]
2 Context Cur_20090930_SegmentInsuranceAndOtherMember [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [6] 222977000000 222,977,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [5] 23840000000 23,840,000,000 Instance
us-gaap:MarketableSecuritiesFixedMaturities 1.0 debit -6 [5] 32586000000 32,586,000,000 Instance
us-gaap:MarketableSecuritiesEquitySecurities 1.0 debit -6 [5] 55084000000 55,084,000,000 Instance
us-gaap:OtherInvestments 1.0 debit -6 [5] 31927000000 31,927,000,000 Instance
us-gaap:PremiumsAndOtherReceivablesNet 1.0 debit -6 [5] 16047000000 16,047,000,000 Instance
us-gaap:InventoryNet 1.0 debit -6 [4] 6051000000 6,051,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 16567000000 16,567,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [5] 27617000000 27,617,000,000 Instance
us-gaap:OtherAssets 1.0 debit -6 [5] 13258000000 13,258,000,000 Instance
us-gaap:Liabilities NA -6 [5] 91603000000 91,603,000,000 Instance OK
us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability 1.0 credit -6 [5] 59603000000 59,603,000,000 Instance
us-gaap:UnearnedPremiums 1.0 credit -6 [4] 8753000000 8,753,000,000 Instance
us-gaap:LiabilityForFuturePolicyBenefits 1.0 credit -6 [4] 4012000000 4,012,000,000 Instance
us-gaap:AccountsPayableAndAccruedLiabilities 1.0 credit -6 [5] 15420000000 15,420,000,000 Instance
us-gaap:NotesPayable 1.0 credit -6 [4] 3815000000 3,815,000,000 Instance
2 Context Cur_20090930_SegmentUtilitiesAndEnergyMember [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 44059000000 44,059,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [3] 744000000 744,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 30432000000 30,432,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 5333000000 5,333,000,000 Instance
us-gaap:OtherAssets 1.0 debit -6 [4] 7550000000 7,550,000,000 Instance
us-gaap:Liabilities NA -6 [5] 25267000000 25,267,000,000 Instance OK
us-gaap:AccountsPayableAndAccruedLiabilities 1.0 credit -6 [4] 5703000000 5,703,000,000 Instance
us-gaap:NotesPayable 1.0 credit -6 [5] 19564000000 19,564,000,000 Instance
2 Context Cur_20090930_SegmentFinanceAndFinancialProductsMember [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 24974000000 24,974,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [4] 2335000000 2,335,000,000 Instance
us-gaap:MarketableSecuritiesFixedMaturities 1.0 debit -6 [4] 4765000000 4,765,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 1024000000 1,024,000,000 Instance
us-gaap:OtherAssets 1.0 debit -6 [4] 3336000000 3,336,000,000 Instance
us-gaap:LoansAndLeasesReceivableNetReportedAmount 1.0 debit -6 [5] 13514000000 13,514,000,000 Instance
us-gaap:Liabilities NA -6 [5] 27555000000 27,555,000,000 Instance OK
us-gaap:AccountsPayableAndAccruedLiabilities 1.0 credit -6 [4] 2561000000 2,561,000,000 Instance
us-gaap:NotesPayable 1.0 credit -6 [5] 14642000000 14,642,000,000 Instance
us-gaap:DerivativeLiabilities 1.0 credit -6 [5] 10352000000 10,352,000,000 Instance
2 Context Pri_20081231_SegmentInsuranceAndOtherMember [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [6] 201887000000 201,887,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [5] 24302000000 24,302,000,000 Instance
us-gaap:MarketableSecuritiesFixedMaturities 1.0 debit -6 [5] 27115000000 27,115,000,000 Instance
us-gaap:MarketableSecuritiesEquitySecurities 1.0 debit -6 [5] 49073000000 49,073,000,000 Instance
us-gaap:OtherInvestments 1.0 debit -6 [5] 21535000000 21,535,000,000 Instance
us-gaap:PremiumsAndOtherReceivablesNet 1.0 debit -6 [5] 14925000000 14,925,000,000 Instance
us-gaap:InventoryNet 1.0 debit -6 [4] 7500000000 7,500,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 16703000000 16,703,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [5] 27477000000 27,477,000,000 Instance
us-gaap:OtherAssets 1.0 debit -6 [5] 13257000000 13,257,000,000 Instance
us-gaap:Liabilities NA -6 [5] 87436000000 87,436,000,000 Instance OK
us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability 1.0 credit -6 [5] 56620000000 56,620,000,000 Instance
us-gaap:UnearnedPremiums 1.0 credit -6 [4] 7861000000 7,861,000,000 Instance
us-gaap:LiabilityForFuturePolicyBenefits 1.0 credit -6 [4] 3619000000 3,619,000,000 Instance
us-gaap:AccountsPayableAndAccruedLiabilities 1.0 credit -6 [5] 14987000000 14,987,000,000 Instance
us-gaap:NotesPayable 1.0 credit -6 [4] 4349000000 4,349,000,000 Instance
2 Context Pri_20081231_SegmentUtilitiesAndEnergyMember [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 41570000000 41,570,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [3] 280000000 280,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 debit -6 [5] 28454000000 28,454,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 5280000000 5,280,000,000 Instance
us-gaap:OtherAssets 1.0 debit -6 [4] 7556000000 7,556,000,000 Instance
us-gaap:Liabilities NA -6 [5] 25320000000 25,320,000,000 Instance OK
us-gaap:AccountsPayableAndAccruedLiabilities 1.0 credit -6 [4] 6175000000 6,175,000,000 Instance
us-gaap:NotesPayable 1.0 credit -6 [5] 19145000000 19,145,000,000 Instance
2 Context Pri_20081231_SegmentFinanceAndFinancialProductsMember [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [5] 23942000000 23,942,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [3] 957000000 957,000,000 Instance
us-gaap:MarketableSecuritiesFixedMaturities 1.0 debit -6 [4] 4517000000 4,517,000,000 Instance
us-gaap:Goodwill 1.0 debit -6 [4] 1024000000 1,024,000,000 Instance
us-gaap:OtherAssets 1.0 debit -6 [4] 3502000000 3,502,000,000 Instance
us-gaap:LoansAndLeasesReceivableNetReportedAmount 1.0 debit -6 [5] 13942000000 13,942,000,000 Instance
us-gaap:Liabilities NA -6 [5] 30656000000 30,656,000,000 Instance OK
us-gaap:AccountsPayableAndAccruedLiabilities 1.0 credit -6 [4] 2656000000 2,656,000,000 Instance
us-gaap:NotesPayable 1.0 credit -6 [5] 13388000000 13,388,000,000 Instance
us-gaap:DerivativeLiabilities 1.0 credit -6 [5] 14612000000 14,612,000,000 Instance
2 Context Pri_20081231 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [6] 267399000000 25,539,000,000 Instance Inconsistency found, calculated value is 25,539,000,000
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [5] 25539000000 25,539,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [6] 267399000000 267,399,000,000 Instance OK
us-gaap:Liabilities 1.0 credit -6 [6] 153692000000 153,692,000,000 Instance
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 1.0 NA -6 [6] 113707000000 113,707,000,000 Instance OK
us-gaap:StockholdersEquity 1.0 NA -6 [6] 109267000000 109,267,000,000 Instance OK
us-gaap:CommonStockIncludingAdditionalPaidInCapital 1.0 credit -6 [5] 27141000000 27,141,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [4] 3954000000 3,954,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [5] 78172000000 78,172,000,000 Instance
us-gaap:MinorityInterest 1.0 credit -6 [4] 4440000000 4,440,000,000 Instance
2 Context Cur_20090930 [ 2009-09-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets NA -6 [6] 292010000000 26,919,000,000 Instance Inconsistency found, calculated value is 26,919,000,000
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 debit -6 [5] 26919000000 26,919,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity NA -6 [6] 292010000000 292,010,000,000 Instance OK
us-gaap:Liabilities 1.0 credit -6 [6] 161328000000 161,328,000,000 Instance
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 1.0 NA -6 [6] 130682000000 130,682,000,000 Instance OK
us-gaap:StockholdersEquity 1.0 NA -6 [6] 126073000000 126,073,000,000 Instance OK
us-gaap:CommonStockIncludingAdditionalPaidInCapital 1.0 credit -6 [5] 27086000000 27,086,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 credit -6 [5] 15816000000 15,816,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 credit -6 [5] 83171000000 83,171,000,000 Instance
us-gaap:MinorityInterest 1.0 credit -6 [4] 4609000000 4,609,000,000 Instance


1 Extended Link [ http://www.berkshirehathaway.com/2009-09-30/role/ConsolidatedStatementsOfCashFlows ]
2 Context Cur_9mos_20090930 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [4] 1380000000 1,380,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [5] 12026000000 12,026,000,000 Instance OK
us-gaap:ProfitLoss 1.0 credit -6 [4] 5287000000 5,287,000,000 Instance
us-gaap:GainLossOnInvestments -1.0 credit -6 [4] -3408000000 -3,408,000,000 Instance
us-gaap:Depreciation 1.0 debit -6 [4] 2315000000 2,315,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] -101000000 -101,000,000 Instance
us-gaap:IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve -1.0 credit -6 [4] -2244000000 -2,244,000,000 Instance
brka:IncreaseDecreaseInDeferredChargesReinsuranceAssumed 1.0 debit -6 [1] -8000000 -8,000,000 Instance
us-gaap:IncreaseDecreaseInUnearnedPremiums 1.0 debit -6 [3] 802000000 802,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [3] 252000000 252,000,000 Instance
brka:IncreaseDecreaseInDerivativeContractAssetsAndLiabilities -1.0 credit -6 [4] 4315000000 4,315,000,000 Instance
brka:IncreaseDecreaseInIncomeTaxes 1.0 debit -6 [3] 693000000 693,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [4] -1953000000 -1,953,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [5] -11129000000 -11,129,000,000 Instance OK
brka:PaymentsToAcquireMarketableSecuritiesFixedMaturities -1.0 credit -6 [4] 8939000000 8,939,000,000 Instance
brka:PaymentsToAcquireMarketableSecuritiesEquitySecurities -1.0 credit -6 [4] 3204000000 3,204,000,000 Instance
us-gaap:PaymentsToAcquireOtherInvestments -1.0 credit -6 [4] 6068000000 6,068,000,000 Instance
brka:ProceedsFromSaleOfMarketableSecuritiesFixedMaturities 1.0 debit -6 [4] 3222000000 3,222,000,000 Instance
brka:ProceedsFromRedemptionsAndMaturitiesOfMarketableSecuritiesFixedMaturities 1.0 debit -6 [4] 4003000000 4,003,000,000 Instance
brka:ProceedsFromSaleOfMarketableSecuritiesEquitySecurities 1.0 debit -6 [4] 2126000000 2,126,000,000 Instance
us-gaap:PaymentsToAcquireLoansReceivable -1.0 credit -6 [3] 227000000 227,000,000 Instance
us-gaap:ProceedsFromCollectionOfLoansReceivable 1.0 debit -6 [3] 618000000 618,000,000 Instance
us-gaap:PaymentsToAcquireBusinessesAndInterestInAffiliates -1.0 credit -6 [2] 75000000 75,000,000 Instance
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [4] 3803000000 3,803,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [4] -1218000000 -1,218,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 debit -6 [3] 387000000 387,000,000 Instance
us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents 1.0 debit -6 [2] 96000000 96,000,000 Instance
2 Context Pri_9mos20080930 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease NA -6 [5] -10960000000 -10,960,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 NA -6 [4] 8428000000 8,428,000,000 Instance OK
us-gaap:ProfitLoss 1.0 credit -6 [4] 5281000000 5,281,000,000 Instance
us-gaap:GainLossOnInvestments -1.0 credit -6 [2] 65000000 65,000,000 Instance
us-gaap:Depreciation 1.0 debit -6 [4] 2071000000 2,071,000,000 Instance
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther 1.0 debit -6 [3] -241000000 -241,000,000 Instance
us-gaap:IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve -1.0 credit -6 [3] -988000000 -988,000,000 Instance
brka:IncreaseDecreaseInDeferredChargesReinsuranceAssumed 1.0 debit -6 [3] 362000000 362,000,000 Instance
us-gaap:IncreaseDecreaseInUnearnedPremiums 1.0 debit -6 [4] 1551000000 1,551,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 credit -6 [4] 2564000000 2,564,000,000 Instance
brka:IncreaseDecreaseInDerivativeContractAssetsAndLiabilities -1.0 credit -6 [4] -3182000000 -3,182,000,000 Instance
brka:IncreaseDecreaseInIncomeTaxes 1.0 debit -6 [3] -904000000 -904,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet -1.0 credit -6 [4] 1233000000 1,233,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 NA -6 [5] -22021000000 -22,021,000,000 Instance OK
brka:PaymentsToAcquireMarketableSecuritiesFixedMaturities -1.0 credit -6 [5] 32601000000 32,601,000,000 Instance
brka:PaymentsToAcquireMarketableSecuritiesEquitySecurities -1.0 credit -6 [4] 9449000000 9,449,000,000 Instance
us-gaap:PaymentsToAcquireOtherInvestments -1.0 credit -6 [0] 0 0 Instance
brka:ProceedsFromSaleOfMarketableSecuritiesFixedMaturities 1.0 debit -6 [5] 13166000000 13,166,000,000 Instance
brka:ProceedsFromRedemptionsAndMaturitiesOfMarketableSecuritiesFixedMaturities 1.0 debit -6 [5] 15675000000 15,675,000,000 Instance
brka:ProceedsFromSaleOfMarketableSecuritiesEquitySecurities 1.0 debit -6 [4] 2067000000 2,067,000,000 Instance
us-gaap:PaymentsToAcquireLoansReceivable -1.0 credit -6 [4] 1359000000 1,359,000,000 Instance
us-gaap:ProceedsFromCollectionOfLoansReceivable 1.0 debit -6 [3] 558000000 558,000,000 Instance
us-gaap:PaymentsToAcquireBusinessesAndInterestInAffiliates -1.0 credit -6 [4] 5860000000 5,860,000,000 Instance
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 credit -6 [4] 4201000000 4,201,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 credit -6 [2] 17000000 17,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 debit -6 [4] 2756000000 2,756,000,000 Instance
us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents 1.0 debit -6 [3] -123000000 -123,000,000 Instance


1 Extended Link [ http://www.berkshirehathaway.com/2009-09-30/role/ConsolidatedStatementsOfEarnings ]
2 Context Cur_9mos_20090930_SegmentInsuranceAndOtherMember [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [5] 68006000000 68,006,000,000 Instance OK
us-gaap:PremiumsEarnedNet 1.0 credit -6 [5] 21263000000 21,263,000,000 Instance
us-gaap:SalesRevenueNet 1.0 credit -6 [5] 46075000000 46,075,000,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 credit -6 [4] 4133000000 4,133,000,000 Instance
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [3] -314000000 -314,000,000 Instance
brka:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet -1.0 debit -6 [4] 3151000000 3,151,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [5] 65091000000 65,091,000,000 Instance OK
us-gaap:IncurredClaimsPropertyCasualtyAndLiability 1.0 debit -6 [5] 14211000000 14,211,000,000 Instance
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet 1.0 debit -6 [4] 1320000000 1,320,000,000 Instance
us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees 1.0 debit -6 [4] 4708000000 4,708,000,000 Instance
us-gaap:CostOfGoodsAndServicesSold 1.0 debit -6 [5] 38700000000 38,700,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 debit -6 [4] 6051000000 6,051,000,000 Instance
us-gaap:InterestExpense 1.0 debit -6 [3] 101000000 101,000,000 Instance
2 Context Cur_9mos_20090930_SegmentUtilitiesAndEnergyMember [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [4] 8416000000 8,416,000,000 Instance OK
us-gaap:RegulatedAndUnregulatedOperatingRevenue 1.0 credit -6 [4] 8212000000 8,212,000,000 Instance
us-gaap:OtherIncome 1.0 credit -6 [3] 204000000 204,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 7270000000 7,270,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 880000000 880,000,000 Instance
us-gaap:UtilitiesOperatingExpense 1.0 debit -6 [4] 6390000000 6,390,000,000 Instance
2 Context Cur_9mos_20090930_SegmentFinanceAndFinancialProductsMember [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [4] 5873000000 5,873,000,000 Instance OK
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [2] 57000000 57,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 credit -6 [4] 1257000000 1,257,000,000 Instance
us-gaap:GainLossOnDerivativeInstrumentsNetPretax 1.0 credit -6 [4] 2572000000 2,572,000,000 Instance
us-gaap:RevenueOtherFinancialServices 1.0 credit -6 [4] 1987000000 1,987,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 2847000000 2,847,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 511000000 511,000,000 Instance
us-gaap:OtherFinancialServicesCosts 1.0 debit -6 [4] 2336000000 2,336,000,000 Instance
2 Context Pri_9mos_20080930_SegmentInsuranceAndOtherMember [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [5] 71967000000 71,967,000,000 Instance OK
us-gaap:PremiumsEarnedNet 1.0 credit -6 [5] 18905000000 18,905,000,000 Instance
us-gaap:SalesRevenueNet 1.0 credit -6 [5] 49415000000 49,415,000,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 credit -6 [4] 3588000000 3,588,000,000 Instance
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [3] 738000000 738,000,000 Instance
brka:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet -1.0 debit -6 [3] 679000000 679,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [5] 64352000000 64,352,000,000 Instance OK
us-gaap:IncurredClaimsPropertyCasualtyAndLiability 1.0 debit -6 [5] 12531000000 12,531,000,000 Instance
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet 1.0 debit -6 [4] 1383000000 1,383,000,000 Instance
us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees 1.0 debit -6 [4] 4023000000 4,023,000,000 Instance
us-gaap:CostOfGoodsAndServicesSold 1.0 debit -6 [5] 40530000000 40,530,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 debit -6 [4] 5770000000 5,770,000,000 Instance
us-gaap:InterestExpense 1.0 debit -6 [3] 115000000 115,000,000 Instance
2 Context Pri_9mos_20080930_SegmentUtilitiesAndEnergyMember [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [4] 9727000000 9,727,000,000 Instance OK
us-gaap:RegulatedAndUnregulatedOperatingRevenue 1.0 credit -6 [4] 9588000000 9,588,000,000 Instance
us-gaap:OtherIncome 1.0 credit -6 [3] 139000000 139,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 8356000000 8,356,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 894000000 894,000,000 Instance
us-gaap:UtilitiesOperatingExpense 1.0 debit -6 [4] 7462000000 7,462,000,000 Instance
2 Context Pri_9mos_20080930_SegmentFinanceAndFinancialProductsMember [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [4] 1500000000 1,500,000,000 Instance OK
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [1] 6000000 6,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 credit -6 [4] 1360000000 1,360,000,000 Instance
us-gaap:GainLossOnDerivativeInstrumentsNetPretax 1.0 credit -6 [4] -2213000000 -2,213,000,000 Instance
us-gaap:RevenueOtherFinancialServices 1.0 credit -6 [4] 2347000000 2,347,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 3060000000 3,060,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 474000000 474,000,000 Instance
us-gaap:OtherFinancialServicesCosts 1.0 debit -6 [4] 2586000000 2,586,000,000 Instance
2 Context Cur_9mos_20090930 [ 2009-01-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss NA -6 [4] 4999000000 4,999,000,000 Instance OK
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest -1.0 debit -6 [3] 288000000 288,000,000 Instance
us-gaap:ProfitLoss 1.0 NA -6 [4] 5287000000 5,287,000,000 Instance OK
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 2107000000 2,107,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [3] 307000000 307,000,000 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 NA -6 [4] 7087000000 7,087,000,000 Instance OK
us-gaap:Revenues 1.0 credit -6 [5] 82295000000 82,295,000,000 Instance
us-gaap:CostsAndExpenses -1.0 debit -6 [5] 75208000000 75,208,000,000 Instance
2 Context Cur_3mos_20090930_SegmentInsuranceAndOtherMember [ 2009-07-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [5] 24224000000 24,224,000,000 Instance OK
us-gaap:PremiumsEarnedNet 1.0 credit -6 [4] 6595000000 6,595,000,000 Instance
us-gaap:SalesRevenueNet 1.0 credit -6 [5] 16178000000 16,178,000,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 credit -6 [4] 1361000000 1,361,000,000 Instance
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [3] 115000000 115,000,000 Instance
brka:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet -1.0 debit -6 [2] 25000000 25,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [5] 21693000000 21,693,000,000 Instance OK
us-gaap:IncurredClaimsPropertyCasualtyAndLiability 1.0 debit -6 [4] 4125000000 4,125,000,000 Instance
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet 1.0 debit -6 [3] 435000000 435,000,000 Instance
us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees 1.0 debit -6 [4] 1475000000 1,475,000,000 Instance
us-gaap:CostOfGoodsAndServicesSold 1.0 debit -6 [5] 13614000000 13,614,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 debit -6 [4] 2015000000 2,015,000,000 Instance
us-gaap:InterestExpense 1.0 debit -6 [2] 29000000 29,000,000 Instance
2 Context Cur_3mos_20090930_SegmentUtilitiesAndEnergyMember [ 2009-07-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [4] 2812000000 2,812,000,000 Instance OK
us-gaap:RegulatedAndUnregulatedOperatingRevenue 1.0 credit -6 [4] 2741000000 2,741,000,000 Instance
us-gaap:OtherIncome 1.0 credit -6 [2] 71000000 71,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 2371000000 2,371,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 291000000 291,000,000 Instance
us-gaap:UtilitiesOperatingExpense 1.0 debit -6 [4] 2080000000 2,080,000,000 Instance
2 Context Cur_3mos_20090930_SegmentFinanceAndFinancialProductsMember [ 2009-07-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [4] 2868000000 2,868,000,000 Instance OK
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [1] -5000000 -5,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 credit -6 [3] 420000000 420,000,000 Instance
us-gaap:GainLossOnDerivativeInstrumentsNetPretax 1.0 credit -6 [4] 1732000000 1,732,000,000 Instance
us-gaap:RevenueOtherFinancialServices 1.0 credit -6 [3] 721000000 721,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 1001000000 1,001,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 174000000 174,000,000 Instance
us-gaap:OtherFinancialServicesCosts 1.0 debit -6 [3] 827000000 827,000,000 Instance
2 Context Pri_3mos20080930_SegmentInsuranceAndOtherMember [ 2008-07-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [5] 24633000000 24,633,000,000 Instance OK
us-gaap:PremiumsEarnedNet 1.0 credit -6 [4] 6465000000 6,465,000,000 Instance
us-gaap:SalesRevenueNet 1.0 credit -6 [5] 17323000000 17,323,000,000 Instance
us-gaap:InvestmentIncomeInterestAndDividend 1.0 credit -6 [4] 1143000000 1,143,000,000 Instance
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [2] -48000000 -48,000,000 Instance
brka:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet -1.0 debit -6 [3] 250000000 250,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [5] 22558000000 22,558,000,000 Instance OK
us-gaap:IncurredClaimsPropertyCasualtyAndLiability 1.0 debit -6 [4] 4796000000 4,796,000,000 Instance
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet 1.0 debit -6 [3] 441000000 441,000,000 Instance
us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees 1.0 debit -6 [4] 1102000000 1,102,000,000 Instance
us-gaap:CostOfGoodsAndServicesSold 1.0 debit -6 [5] 14316000000 14,316,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 debit -6 [4] 1861000000 1,861,000,000 Instance
us-gaap:InterestExpense 1.0 debit -6 [2] 42000000 42,000,000 Instance
2 Context Pri_3mos20080930_SegmentUtilitiesAndEnergyMember [ 2008-07-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [4] 3298000000 3,298,000,000 Instance OK
us-gaap:RegulatedAndUnregulatedOperatingRevenue 1.0 credit -6 [4] 3240000000 3,240,000,000 Instance
us-gaap:OtherIncome 1.0 credit -6 [2] 58000000 58,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 2772000000 2,772,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 304000000 304,000,000 Instance
us-gaap:UtilitiesOperatingExpense 1.0 debit -6 [4] 2468000000 2,468,000,000 Instance
2 Context Pri_3mos20080930_SegmentFinanceAndFinancialProductsMember [ 2008-07-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:Revenues NA -6 [1] -5000000 -5,000,000 Instance OK
brka:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 1.0 credit -6 [1] 2000000 2,000,000 Instance
us-gaap:InvestmentIncomeInterest 1.0 credit -6 [3] 464000000 464,000,000 Instance
us-gaap:GainLossOnDerivativeInstrumentsNetPretax 1.0 credit -6 [4] -1261000000 -1,261,000,000 Instance
us-gaap:RevenueOtherFinancialServices 1.0 credit -6 [3] 790000000 790,000,000 Instance
us-gaap:CostsAndExpenses NA -6 [4] 1094000000 1,094,000,000 Instance OK
us-gaap:InterestExpense 1.0 debit -6 [3] 168000000 168,000,000 Instance
us-gaap:OtherFinancialServicesCosts 1.0 debit -6 [3] 926000000 926,000,000 Instance
2 Context Cur_3mos20090930 [ 2009-07-01 - 2009-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss NA -6 [4] 3238000000 3,238,000,000 Instance OK
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest -1.0 debit -6 [3] 111000000 111,000,000 Instance
us-gaap:ProfitLoss 1.0 NA -6 [4] 3349000000 3,349,000,000 Instance OK
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 1601000000 1,601,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [3] 111000000 111,000,000 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 NA -6 [4] 4839000000 4,839,000,000 Instance OK
us-gaap:Revenues 1.0 credit -6 [5] 29904000000 29,904,000,000 Instance
us-gaap:CostsAndExpenses -1.0 debit -6 [5] 25065000000 25,065,000,000 Instance
2 Context Pri_9mos20080930 [ 2008-01-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss NA -6 [4] 4877000000 4,877,000,000 Instance OK
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest -1.0 debit -6 [3] 404000000 404,000,000 Instance
us-gaap:ProfitLoss 1.0 NA -6 [4] 5281000000 5,281,000,000 Instance OK
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [4] 2145000000 2,145,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [0] 0 0 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 NA -6 [4] 7426000000 7,426,000,000 Instance OK
us-gaap:Revenues 1.0 credit -6 [5] 83194000000 83,194,000,000 Instance
us-gaap:CostsAndExpenses -1.0 debit -6 [5] 75768000000 75,768,000,000 Instance
2 Context Pri_3mos20080930 [ 2008-07-01 - 2008-09-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss NA -6 [4] 1057000000 1,057,000,000 Instance OK
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest -1.0 debit -6 [3] 151000000 151,000,000 Instance
us-gaap:ProfitLoss 1.0 NA -6 [4] 1208000000 1,208,000,000 Instance OK
us-gaap:IncomeTaxExpenseBenefit -1.0 debit -6 [3] 294000000 294,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestments 1.0 credit -6 [0] 0 0 Instance
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 NA -6 [4] 1502000000 1,502,000,000 Instance OK
us-gaap:Revenues 1.0 credit -6 [5] 27926000000 27,926,000,000 Instance
us-gaap:CostsAndExpenses -1.0 debit -6 [5] 26424000000 26,424,000,000 Instance


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