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Components of Provision (benefit) for Income Taxes (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Reconciliation of Provision of Income Taxes [Line Items] | |||
| Federal | $ 2,657us-gaap_CurrentFederalTaxExpenseBenefit | $ (197)us-gaap_CurrentFederalTaxExpenseBenefit | $ 223us-gaap_CurrentFederalTaxExpenseBenefit |
| Foreign | 81us-gaap_CurrentForeignTaxExpenseBenefit | (59)us-gaap_CurrentForeignTaxExpenseBenefit | (45)us-gaap_CurrentForeignTaxExpenseBenefit |
| State and Local | 668us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 201us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 114us-gaap_CurrentStateAndLocalTaxExpenseBenefit |
| Total | 3,406us-gaap_CurrentIncomeTaxExpenseBenefit | (55)us-gaap_CurrentIncomeTaxExpenseBenefit | 292us-gaap_CurrentIncomeTaxExpenseBenefit |
| Federal | (51)us-gaap_DeferredFederalIncomeTaxExpenseBenefit | 5,060us-gaap_DeferredFederalIncomeTaxExpenseBenefit | (559)us-gaap_DeferredFederalIncomeTaxExpenseBenefit |
| Foreign | (9)us-gaap_DeferredForeignIncomeTaxExpenseBenefit | 8us-gaap_DeferredForeignIncomeTaxExpenseBenefit | 10us-gaap_DeferredForeignIncomeTaxExpenseBenefit |
| State and Local | (32)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 717us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | (403)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit |
| Total | (92)us-gaap_DeferredIncomeTaxExpenseBenefit | 5,785us-gaap_DeferredIncomeTaxExpenseBenefit | (952)us-gaap_DeferredIncomeTaxExpenseBenefit |
| Total income tax provision (benefit) | $ 3,314us-gaap_IncomeTaxExpenseBenefit | $ 5,730us-gaap_IncomeTaxExpenseBenefit | $ (660)us-gaap_IncomeTaxExpenseBenefit |
| X | ||||||||||
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- Definition
Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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