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| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> Value of new stock issued during the period and other transactions which are not separately disclosed or provided for elsewhere in the taxonomy. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 10 </Id> |
| | | <Label> Adoption of new accounting pronouncements </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 28000000 </NumericAmount> |
| <RoundedNumericAmount> 28 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 28000000 </NumericAmount> |
| <RoundedNumericAmount> 28 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 11 </Id> |
| | | <Label> Changes in noncontrolling interests: </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_NoncontrollingInterestItemsAbstract </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> string </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 13 </Id> |
| | | <Label> Interests acquired and other transactions </Label> |
| | | <Level> 4 </Level> |
| | | <ElementName> brka_InterestsAcquiredAndOtherTransactions </ElementName> |
| | | <ElementPrefix> brka </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> Changes in shareholder equity as a result of redeeming or purchasing the interests of non-controlling shareholders. ... </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 17000000 </NumericAmount> |
| <RoundedNumericAmount> 17 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> Changes in shareholder equity as a result of redeeming or purchasing the interests of non-controlling shareholders. Additionally, this element represents other transactions which are not separately disclosed or provided for elsewhere in the taxonomy. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 14 </Id> |
| | | <Label> Balance at Dec. 31, 2007 </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> true </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> true </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 26960000000 </NumericAmount> |
| <RoundedNumericAmount> 26960 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 21620000000 </NumericAmount> |
| <RoundedNumericAmount> 21620 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 72153000000 </NumericAmount> |
| <RoundedNumericAmount> 72153 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 120733000000 </NumericAmount> |
| <RoundedNumericAmount> 120733 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 2668000000 </NumericAmount> |
| <RoundedNumericAmount> 2668 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 6 </Id> |
| | | <Label> Net earnings </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_ProfitLoss </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 4994000000 </NumericAmount> |
| <RoundedNumericAmount> 4994 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 4994000000 </NumericAmount> |
| <RoundedNumericAmount> 4994 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 602000000 </NumericAmount> |
| <RoundedNumericAmount> 602 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 5596000000 </NumericAmount> |
| <RoundedNumericAmount> 5596 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 7 </Id> |
| | | <Label> Other comprehensive income, net </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> -17267000000 </NumericAmount> |
| <RoundedNumericAmount> -17267 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> -17267000000 </NumericAmount> |
| <RoundedNumericAmount> -17267 </RoundedNumericAmount> |
| <NonNumbericText/> |
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| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
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| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
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| | | <ElementPrefix> us-gaap </ElementPrefix> |
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| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
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| | | <IsSubReportEnd> false </IsSubReportEnd> |
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| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
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| | | <ElementPrefix> us-gaap </ElementPrefix> |
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| | | <ElementDefenition> No definition available. </ElementDefenition> |
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| | | <Id> 12 </Id> |
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| | | <ElementPrefix> brka </ElementPrefix> |
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| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
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| | | <ElementPrefix> brka </ElementPrefix> |
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| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
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| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> -271000000 </NumericAmount> |
| <RoundedNumericAmount> -271 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> Changes in shareholder equity as a result of redeeming or purchasing the interests of non-controlling shareholders. Additionally, this element represents other transactions which are not separately disclosed or provided for elsewhere in the taxonomy. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 14 </Id> |
| | | <Label> Balance at Dec. 31, 2008 </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> true </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> true </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 27141000000 </NumericAmount> |
| <RoundedNumericAmount> 27141 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 3954000000 </NumericAmount> |
| <RoundedNumericAmount> 3954 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 78172000000 </NumericAmount> |
| <RoundedNumericAmount> 78172 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 109267000000 </NumericAmount> |
| <RoundedNumericAmount> 109267 </RoundedNumericAmount> |
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| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 4440000000 </NumericAmount> |
| <RoundedNumericAmount> 4440 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
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| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
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| <RoundedNumericAmount> 113707 </RoundedNumericAmount> |
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| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 6 </Id> |
| | | <Label> Net earnings </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_ProfitLoss </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 8055000000 </NumericAmount> |
| <RoundedNumericAmount> 8055 </RoundedNumericAmount> |
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| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
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| </Cell> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 8055000000 </NumericAmount> |
| <RoundedNumericAmount> 8055 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
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| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 386000000 </NumericAmount> |
| <RoundedNumericAmount> 386 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
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| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 8441000000 </NumericAmount> |
| <RoundedNumericAmount> 8441 </RoundedNumericAmount> |
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| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 7 </Id> |
| | | <Label> Other comprehensive income, net </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 13729000000 </NumericAmount> |
| <RoundedNumericAmount> 13729 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
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| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
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| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 13729000000 </NumericAmount> |
| <RoundedNumericAmount> 13729 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 199000000 </NumericAmount> |
| <RoundedNumericAmount> 199 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 9 </Id> |
| | | <Label> Issuance of common stock and other transactions </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> brka_StockIssuedDuringPeriodValueNewIssuesAndOther </ElementName> |
| | | <ElementPrefix> brka </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> Value of new stock issued during the period and other transactions which are not separately disclosed or provided for... </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 172000000 </NumericAmount> |
| <RoundedNumericAmount> 172 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
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| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
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| <hasScenarios> false </hasScenarios> |
| </Cell> |
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| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
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| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 172000000 </NumericAmount> |
| <RoundedNumericAmount> 172 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
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| </Cell> |
| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
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| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
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| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> Value of new stock issued during the period and other transactions which are not separately disclosed or provided for elsewhere in the taxonomy. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 11 </Id> |
| | | <Label> Changes in noncontrolling interests: </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_NoncontrollingInterestItemsAbstract </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> string </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
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| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
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| </Cell> |
| <Cell> |
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| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
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| <Cell> |
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| <Cell> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
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| <NonNumbericText/> |
| <NonNumericTextHeader/> |
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| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 13 </Id> |
| | | <Label> Interests acquired and other transactions </Label> |
| | | <Level> 4 </Level> |
| | | <ElementName> brka_InterestsAcquiredAndOtherTransactions </ElementName> |
| | | <ElementPrefix> brka </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> Changes in shareholder equity as a result of redeeming or purchasing the interests of non-controlling shareholders. ... </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <Cells> |
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| <NonNumbericText/> |
| <NonNumericTextHeader/> |
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| </Cell> |
| <Cell> |
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| <NumericAmount> -121000000 </NumericAmount> |
| <RoundedNumericAmount> -121 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> -342000000 </NumericAmount> |
| <RoundedNumericAmount> -342 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <IsNumeric> false </IsNumeric> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> Changes in shareholder equity as a result of redeeming or purchasing the interests of non-controlling shareholders. Additionally, this element represents other transactions which are not separately disclosed or provided for elsewhere in the taxonomy. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | <Row> |
| | | <Id> 14 </Id> |
| | | <Label> Balance at Dec. 31, 2009 </Label> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest </ElementName> |
| | | <ElementPrefix> us-gaap </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <ElementDataType> monetary </ElementDataType> |
| | | <ShortDefinition> No definition available. </ShortDefinition> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsSubReportEnd> false </IsSubReportEnd> |
| | | <IsCalendarTitle> true </IsCalendarTitle> |
| | | <IsTuple> false </IsTuple> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> true </IsEndingBalance> |
| | | <IsEPS> false </IsEPS> |
| | | <Cells> |
| <Cell> |
| <Id> 1 </Id> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 27082000000 </NumericAmount> |
| <RoundedNumericAmount> 27082 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 2 </Id> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 17793000000 </NumericAmount> |
| <RoundedNumericAmount> 17793 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 3 </Id> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 86227000000 </NumericAmount> |
| <RoundedNumericAmount> 86227 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 4 </Id> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 131102000000 </NumericAmount> |
| <RoundedNumericAmount> 131102 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 5 </Id> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 4683000000 </NumericAmount> |
| <RoundedNumericAmount> 4683 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| <Cell> |
| <Id> 6 </Id> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <IsNumeric> true </IsNumeric> |
| <NumericAmount> 135785000000 </NumericAmount> |
| <RoundedNumericAmount> 135785 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <NonNumericTextHeader/> |
| <FootnoteIndexer/> |
| <hasSegments> false </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| </Cell> |
| </Cells> |
| | | <ElementDefenition> No definition available. </ElementDefenition> |
| | | <ElementReferences> No authoritative reference available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | </Row> |
| | </Rows> |
| <Footnotes/> |
| <ComparabilityReport> false </ComparabilityReport> |
| <NumberOfCols> 6 </NumberOfCols> |
| <NumberOfRows> 23 </NumberOfRows> |
| <HasScenarios> false </HasScenarios> |
| <MonetaryRoundingLevel> Millions </MonetaryRoundingLevel> |
| <SharesRoundingLevel> UnKnown </SharesRoundingLevel> |
| <PerShareRoundingLevel> UnKnown </PerShareRoundingLevel> |
| <HasPureData> false </HasPureData> |
| <SharesShouldBeRounded> true </SharesShouldBeRounded> |
| </InstanceReport> |