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Berkshire Hathaway Inc – ‘10-K’ for 12/31/10 – ‘XML.R79’

On:  Monday, 2/28/11, at 10:20am ET   ·   For:  12/31/10   ·   Accession #:  1193125-11-48914   ·   File #:  1-14905

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/28/11  Berkshire Hathaway Inc            10-K       12/31/10  103:31M                                    Donnelley … Solutions/FA

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.69M 
 3: EX-21       Subsidiaries List                                   HTML     65K 
 4: EX-23       Consent of Experts or Counsel                       HTML     28K 
 2: EX-12       Statement re: Computation of Ratios                 HTML     44K 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     33K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     33K 
 7: EX-32.1     Certification -- §906 - SOA'02                      HTML     27K 
 8: EX-32.2     Certification -- §906 - SOA'02                      HTML     27K 
78: XML         IDEA XML File -- Definitions and References          XML    367K 
92: XML         IDEA XML File -- Filing Summary                      XML    355K 
87: XML.R1      Document and Entity Information                      XML    307K 
88: XML.R2      Consolidated Balance Sheets                          XML    758K 
48: XML.R3      Consolidated Statements of Earnings                  XML    855K 
56: XML.R4      Consolidated Statements of Earnings                  XML    260K 
                (Parenthetical)                                                  
76: XML.R5      Consolidated Statements of Cash Flows                XML    792K 
73: XML.R6      Consolidated Statements of Changes in                XML    474K 
                Shareholders' Equity                                             
98: XML.R7      Consolidated Statements of Comprehensive Income      XML    226K 
26: XML.R8      Significant accounting policies and practices        XML    119K 
72: XML.R9      Significant business acquisitions                    XML     89K 
22: XML.R10     Investments in fixed maturity securities             XML    185K 
21: XML.R11     Investments in equity securities                     XML    172K 
47: XML.R12     Other investments                                    XML    116K 
82: XML.R13     Investment gains and losses                          XML    100K 
49: XML.R14     Receivables                                          XML     85K 
52: XML.R15     Inventories                                          XML     68K 
67: XML.R16     Goodwill and other intangible assets                 XML    123K 
103: XML.R17     Property, plant and equipment                        XML    135K  
41: XML.R18     Derivative contracts                                 XML    143K 
15: XML.R19     Supplemental cash flow information                   XML     86K 
55: XML.R20     Unpaid losses and loss adjustment expenses           XML    129K 
81: XML.R21     Notes payable and other borrowings                   XML    162K 
33: XML.R22     Income taxes                                         XML    188K 
77: XML.R23     Dividend restrictions - Insurance subsidiaries       XML     52K 
53: XML.R24     Fair value measurements                              XML    282K 
97: XML.R25     Common stock                                         XML     82K 
84: XML.R26     Pension plans                                        XML    252K 
59: XML.R27     Contingencies and Commitments                        XML     86K 
68: XML.R28     Business segment data                                XML    504K 
20: XML.R29     Quarterly Data                                       XML    106K 
24: XML.R30     Condensed Financial Information                      XML    245K 
35: XML.R31     Significant Accounting Policies (Policies)           XML    267K 
43: XML.R32     Significant Business Acquisitions (Table)            XML     90K 
66: XML.R33     Investments in fixed maturity securities (Table)     XML    188K 
83: XML.R34     Investments in equity securities (Table)             XML    168K 
18: XML.R35     Other investments (Table)                            XML    110K 
27: XML.R36     Investment gains and losses (Table)                  XML     97K 
89: XML.R37     Receivables (Table)                                  XML     87K 
96: XML.R38     Inventories (Table)                                  XML     66K 
60: XML.R39     Goodwill and other intangible assets (Table)         XML    127K 
100: XML.R40     Property, plant and equipment (Table)                XML    173K  
28: XML.R41     Derivative contracts (Table)                         XML    142K 
102: XML.R42     Supplemental cash flow information (Table)           XML     84K  
37: XML.R43     Unpaid losses and loss adjustment expenses (Table)   XML    122K 
16: XML.R44     Notes payable and other borrowings (Table)           XML    235K 
36: XML.R45     Income taxes (Table)                                 XML    203K 
80: XML.R46     Fair value measurements (Table)                      XML    282K 
95: XML.R47     Common stock (Table)                                 XML     77K 
50: XML.R48     Pension plans (Table)                                XML    286K 
39: XML.R49     Business segment data (Table)                        XML    497K 
65: XML.R50     Quarterly data (Table)                               XML    104K 
19: XML.R51     Significant Accounting Policies (Detail)             XML    246K 
70: XML.R52     Significant Business Acquisitions (Detail)           XML    933K 
40: XML.R53     Investments in fixed maturity securities -           XML    603K 
                Investments in securities with fixed maturities                  
                (Detail)                                                         
25: XML.R54     Investments in fixed maturity securities -           XML    205K 
                Amortized cost and estimated fair value of                       
                securities with fixed maturities (Detail)                        
94: XML.R55     Investments in equity securities (Detail)            XML    770K 
91: XML.R56     Other investments (Detail)                           XML    449K 
46: XML.R57     Other Investments Narrative (Detail)                 XML   1.05M 
32: XML.R58     Investment gains and losses (Detail)                 XML    400K 
85: XML.R59     Receivables (Detail)                                 XML    767K 
23: XML.R60     Inventories (Detail)                                 XML    139K 
74: XML.R61     Goodwill and other intangible assets (Detail)        XML     88K 
71: XML.R62     Goodwill and other intangible assets - Intangible    XML    532K 
                assets (Detail)                                                  
90: XML.R63     Property, plant and equipment (Detail)               XML   1.07M 
86: XML.R64     Derivative contracts (Detail)                        XML    601K 
99: XML.R65     Derivative contracts - gains and losses (Detail)     XML    366K 
30: XML.R66     Supplemental cash flow information (Detail)          XML    370K 
45: XML.R67     Unpaid losses and loss adjustment expenses           XML    350K 
                (Detail)                                                         
63: XML.R68     Notes payable and other borrowings (Detail)          XML    625K 
54: XML.R69     Notes payable and other borrowings - Narrative       XML   1.05M 
                (Detail)                                                         
64: XML.R70     Income taxes (Detail)                                XML    547K 
101: XML.R71     Dividend restrictions - Insurance subsidiaries       XML     99K  
                (Detail)                                                         
31: XML.R72     Fair value measurements - Financial Instruments      XML    774K 
                (Detail)                                                         
38: XML.R73     Fair value measurements - Financial assets and       XML   1.28M 
                liabilities measured and carried at fair value on                
                a recurring basis (Detail)                                       
34: XML.R74     Fair value measurements - Significant unobservable   XML    425K 
                inputs (Detail)                                                  
61: XML.R75     Common stock (Detail)                                XML    290K 
69: XML.R76     Common stock - roll-forward (Detail)                 XML    251K 
58: XML.R77     Pension plans (Detail)                               XML    728K 
51: XML.R78     Pension plans - fair value (Details)                 XML   1.24M 
29: XML.R79     Contingencies and Commitments (Detail)               XML    695K 
17: XML.R80     Business segment data (Detail)                       XML   5.75M 
62: XML.R81     Quarterly data (Detail)                              XML    391K 
44: XML.R82     Condensed Financial Information - Balance Sheets     XML    386K 
                (Detail)                                                         
57: XML.R83     Condensed Financial Information - Statements of      XML    708K 
                Earnings (Detail)                                                
79: XML.R84     Condensed Financial Information - Statements of      XML    571K 
                Cash Flows (Detail)                                              
75: XML.R85     Notes to Condensed Financial Information (Detail)    XML   1.18M 
93: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   5.94M 
 9: EX-101.INS  XBRL Instance -- brka-20101231                       XML   6.08M 
11: EX-101.CAL  XBRL Calculations -- brka-20101231_cal               XML    276K 
12: EX-101.DEF  XBRL Definitions -- brka-20101231_def                XML   1.42M 
13: EX-101.LAB  XBRL Labels -- brka-20101231_lab                     XML   2.17M 
14: EX-101.PRE  XBRL Presentations -- brka-20101231_pre              XML   1.59M 
10: EX-101.SCH  XBRL Schema -- brka-20101231                         XSD    393K 
42: ZIP         XBRL Zipped Folder -- 0001193125-11-048914-xbrl      Zip    385K

‘XML.R79’   —   Contingencies and Commitments (Detail)

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<CurrencyCode> USD </CurrencyCode>
<FootnoteIndexer/>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
<MCU>
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<ContextID> Cur_3Mos_2011-03-31_WescoMember_AcquisitionMember </ContextID>
<EntitySchema> http://www.sec.gov/CIK </EntitySchema>
<EntityValue> 0001067983 </EntityValue>
<PeriodDisplayName/>
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<PeriodStartDate> 2011-01-01T00:00:00 </PeriodStartDate>
<PeriodEndDate> 2011-03-31T00:00:00 </PeriodEndDate>
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<anyType xsi:type="Segment">
<IsDefaultForEntity> false </IsDefaultForEntity>
<Name/>
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<ValueName> Wesco [Member] </ValueName>
<ValueType> us-gaap_SegmentReportingInformationBySegmentAxis </ValueType>
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<Schema> http://xbrl.org/2006/xbrldi </Schema>
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</DimensionInfo>
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<anyType xsi:type="Segment">
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<Name/>
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<ValueName> Acquisition [Member] </ValueName>
<ValueType> us-gaap_SubsequentEventTypeAxis </ValueType>
<Namespace> xbrldi </Namespace>
<Schema> http://xbrl.org/2006/xbrldi </Schema>
<DimensionInfo>
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<dimensionId> us-gaap_SubsequentEventTypeAxis </dimensionId>
<type> explicitMember </type>
</DimensionInfo>
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<Scenarios/>
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<UnitProperty>
<UnitID> Pure </UnitID>
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<StandardMeasure>
<MeasureSchema> http://www.xbrl.org/2003/instance </MeasureSchema>
<MeasureValue> pure </MeasureValue>
<MeasureNamespace> xbrli </MeasureNamespace>
</StandardMeasure>
<Scale> 0 </Scale>
</UnitProperty>
<UnitProperty>
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<UnitType> Standard </UnitType>
<StandardMeasure>
<MeasureSchema> http://www.xbrl.org/2003/iso4217 </MeasureSchema>
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<MeasureNamespace> iso4217 </MeasureNamespace>
</StandardMeasure>
<Scale> 0 </Scale>
</UnitProperty>
</UPS>
<CurrencyCode> USD </CurrencyCode>
<OriginalCurrencyCode> USD </OriginalCurrencyCode>
</MCU>
<CurrencySymbol> $ </CurrencySymbol>
<Labels>
<Label Id="1" Label="3 Months Ended"/>
<Label Id="2" Label="Mar. 31, 2011"/>
<Label Id="3" Label="Wesco [Member]"/>
<Label Id="4" Label="Acquisition [Member]"/>
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</Column>
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<Row>
<Id> 2 </Id>
<IsAbstractGroupTitle> true </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_LossContingenciesLineItems </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
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<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
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<IsSegmentTitle> false </IsSegmentTitle>
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<IsCalendarTitle> false </IsCalendarTitle>
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<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
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<Cell>
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<Cell>
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<Cell>
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<hasSegments> true </hasSegments>
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<Cell>
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<IsRatio> false </IsRatio>
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<NumericAmount> 0 </NumericAmount>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
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<Unit> Other </Unit>
<ElementDataType> xbrli:stringItemType </ElementDataType>
<SimpleDataType> string </SimpleDataType>
<ElementDefenition> Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. </ElementDefenition>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Contingencies and Commitments [Line Items] </Label>
</Row>
<Row>
<Id> 3 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> brka_LossContingencySettlementAgreementAmount </ElementName>
<ElementPrefix> brka </ElementPrefix>
<IsBaseElement> false </IsBaseElement>
<BalanceType> na </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> The amount to which the entity agreed to pay in a settlement agreement which resolves the legal matter. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
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<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
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<Cell>
<Id> 1 </Id>
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<NonNumericTextHeader/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
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<Cell>
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<Cell>
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</Cell>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 72000000 </NumericAmount>
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<NonNumericTextHeader/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
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<Cell>
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<Cell>
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</Cells>
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<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The amount to which the entity agreed to pay in a settlement agreement which resolves the legal matter. </ElementDefenition>
<ElementReferences> No authoritative reference available. </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Legal settlement </Label>
</Row>
<Row>
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<Level> 0 </Level>
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<ShortDefinition> Maximum amount of settlement amount to be remitted to reimburse certain costs of plaintiff. </ShortDefinition>
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<Row>
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<ElementReferences> No authoritative reference available. </ElementReferences>
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<IsEPS> false </IsEPS>
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<SimpleDataType> string </SimpleDataType>
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<Label> Commitments </Label>
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<Row>
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<ShortDefinition> No definition available. </ShortDefinition>
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<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
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<ElementDefenition> Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 15 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph c </ElementReferences>
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<Label> Rent expense for leases </Label>
</Row>
<Row>
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<ElementName> us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
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<ShortDefinition> No definition available. </ShortDefinition>
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<Row>
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<OriginalInstanceReportColumns/>
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<ElementDefenition> For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
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<ElementDefenition> For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
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<ElementDefenition> For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) </ElementReferences>
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<ElementDefenition> For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) </ElementReferences>
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</Cells>
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<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
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<ElementDefenition> For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
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</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
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<ElementDefenition> For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) </ElementReferences>
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<Row>
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<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) </ElementReferences>
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<NonNumericTextHeader/>
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<NonNumericTextHeader/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
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<Unit> Other </Unit>
<ElementDataType> xbrli:stringItemType </ElementDataType>
<SimpleDataType> string </SimpleDataType>
<ElementDefenition> No definition available. </ElementDefenition>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchase commitments </Label>
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<Row>
<Id> 17 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
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<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
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<IsCalendarTitle> false </IsCalendarTitle>
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<IsRatio> false </IsRatio>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
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<Cell>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The aggregate amount of payments due in the first year after the balance sheet date to reduce a recorded unconditional purchase obligation. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchase commitments - 2011 </Label>
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<Row>
<Id> 18 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_RecordedUnconditionalPurchaseObligationDueInSecondYear </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> credit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
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<PreferredLabelRole/>
<FootnoteIndexer/>
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<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
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<hasSegments> true </hasSegments>
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</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The aggregate amount of payments due in the second year after the balance sheet date to reduce a recorded unconditional purchase obligation. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchase commitments - 2012 </Label>
</Row>
<Row>
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<Level> 0 </Level>
<ElementName> us-gaap_RecordedUnconditionalPurchaseObligationDueInThirdYear </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
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<BalanceType> credit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
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<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
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<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 4300000000 </NumericAmount>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
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<Cell>
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<hasScenarios> false </hasScenarios>
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<hasSegments> true </hasSegments>
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</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The aggregate amount of payments due in the third year after the balance sheet date to reduce a recorded unconditional purchase obligation. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchase commitments - 2013 </Label>
</Row>
<Row>
<Id> 20 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_RecordedUnconditionalPurchaseObligationDueInFourthYear </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> credit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
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<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
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<Cell>
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<NonNumericTextHeader/>
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</Cell>
<Cell>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 5 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 6 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 7 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 8 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The aggregate amount of payments due in the fourth year after the balance sheet date to reduce a recorded unconditional purchase obligation. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchase commitments - 2014 </Label>
</Row>
<Row>
<Id> 21 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_RecordedUnconditionalPurchaseObligationDueInFifthYear </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> credit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 2500000000 </NumericAmount>
<RoundedNumericAmount> 2500000000 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 4 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 5 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 6 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 7 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 8 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The aggregate amount of payments due in the fifth year after the balance sheet date to reduce a recorded unconditional purchase obligation. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchase commitments - 2015 </Label>
</Row>
<Row>
<Id> 22 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_RecordedUnconditionalPurchaseObligationDueAfterFifthYear </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> credit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 10800000000 </NumericAmount>
<RoundedNumericAmount> 10800000000 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 4 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 5 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 6 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 7 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 8 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The aggregate remaining amount of payments due after the fifth year after the balance sheet date to extinguish a recorded unconditional purchase obligation. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchase commitments - After 2015 </Label>
</Row>
<Row>
<Id> 23 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> brka_PercentageOfVotingInterestsAcquiredInNoncontrolling </ElementName>
<ElementPrefix> brka </ElementPrefix>
<IsBaseElement> false </IsBaseElement>
<BalanceType> na </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> Percentage of voting equity interests acquired in the noncontrolling interest transaction. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 4 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 5 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 6 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0.1660 </NumericAmount>
<RoundedNumericAmount> 0.1660 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 7 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
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<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 8 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0.199 </NumericAmount>
<RoundedNumericAmount> 0.199 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Other </Unit>
<ElementDataType> us-types:percentItemType </ElementDataType>
<SimpleDataType> pure </SimpleDataType>
<ElementDefenition> Percentage of voting equity interests acquired in the noncontrolling interest transaction. </ElementDefenition>
<ElementReferences> No authoritative reference available. </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Acquisition of common stock, percent </Label>
</Row>
<Row>
<Id> 24 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> na </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
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<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
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<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
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<IsNumeric> true </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<IsRatio> true </IsRatio>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
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<Cell>
<Id> 8 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Other </Unit>
<ElementDataType> us-types:percentItemType </ElementDataType>
<SimpleDataType> pure </SimpleDataType>
<ElementDefenition> Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section H </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Percentage of shares owned after stock transaction </Label>
</Row>
<Row>
<Id> 25 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> brka_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnership </ElementName>
<ElementPrefix> brka </ElementPrefix>
<IsBaseElement> false </IsBaseElement>
<BalanceType> na </BalanceType>
<PeriodType> duration </PeriodType>
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<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
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<Cell>
<Id> 1 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
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<Cell>
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<IsNumeric> false </IsNumeric>
<IsRatio> true </IsRatio>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
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<hasScenarios> false </hasScenarios>
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<hasSegments> true </hasSegments>
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<IsRatio> true </IsRatio>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
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<IsRatio> true </IsRatio>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
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<Unit> Other </Unit>
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<SimpleDataType> pure </SimpleDataType>
<ElementDefenition> Percentage of subsidiary's or equity method investee's stock owned by parent. </ElementDefenition>
<ElementReferences> No authoritative reference available. </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Percentage of shares owned </Label>
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<Row>
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<Level> 0 </Level>
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<BalanceType> debit </BalanceType>
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<ShortDefinition> No definition available. </ShortDefinition>
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<IsSegmentTitle> false </IsSegmentTitle>
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<IsCalendarTitle> false </IsCalendarTitle>
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<PreferredLabelRole/>
<FootnoteIndexer/>
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<Cell>
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<NonNumericTextHeader/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
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<Cell>
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<NonNumericTextHeader/>
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<CurrencyCode/>
<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
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</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> Reflects the known or estimated financial effect of the event, or transaction that occurred between the balance sheet date and the date the financial statements are issued. If an estimate cannot be made, that fact shall be disclosed. </ElementDefenition>
<ElementReferences> No authoritative reference available. </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
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<Label> Estimated cost of acquisition of common stock </Label>
</Row>
<Row>
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<Level> 0 </Level>
<ElementName> brka_ExcessOfTheConsiderationOverNoncontrollingInterest </ElementName>
<ElementPrefix> brka </ElementPrefix>
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<PeriodType> duration </PeriodType>
<ShortDefinition> The excess of the consideration over the carrying amount of the noncontrolling interest. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
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<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
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<IsNumeric> true </IsNumeric>
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<hasSegments> true </hasSegments>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
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</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
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<ElementReferences> No authoritative reference available. </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
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</Row>
<Row>
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<ShortDefinition> The aggregate cost to acquire equity interest under an agreement. </ShortDefinition>
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<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 2900000000 </NumericAmount>
<RoundedNumericAmount> 2900000000 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> true </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 4 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 5 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 6 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 7 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 8 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> The aggregate cost to acquire equity interest under an agreement. </ElementDefenition>
<ElementReferences> No authoritative reference available. </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Commitment to acquire equity interest, amount </Label>
</Row>
</Rows>
<Footnotes/>
<NumberOfCols> 8 </NumberOfCols>
<NumberOfRows> 27 </NumberOfRows>
<ReportName> Contingencies and Commitments (Detail) (USD $) </ReportName>
<MonetaryRoundingLevel> NoRounding </MonetaryRoundingLevel>
<SharesRoundingLevel> UnKnown </SharesRoundingLevel>
<PerShareRoundingLevel> UnKnown </PerShareRoundingLevel>
<ExchangeRateRoundingLevel> UnKnown </ExchangeRateRoundingLevel>
<HasCustomUnits> true </HasCustomUnits>
<SharesShouldBeRounded> true </SharesShouldBeRounded>
</InstanceReport>

2 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 5/10/11  SEC                               UPLOAD10/16/17    1:45K  Berkshire Hathaway Inc.
 5/10/11  SEC                               UPLOAD10/16/17    1:55K  Berkshire Hathaway Inc.
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Filing Submission 0001193125-11-048914   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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