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Income Taxes - Narrative (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2014
Jurisdiction
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Dec. 31, 2013
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Dec. 31, 2012
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| Income Tax Disclosure [Abstract] | |||
| Other comprehensive income (loss), tax | $ (3,371,000,000)us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 | $ 2,740,000,000us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 | $ (1,342,000,000)us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 |
| Tax effect on common stock and additional paid in capital from employee stock purchase plan activity | (35,000,000)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | (128,000,000)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | (277,000,000)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation |
| Unrecognized tax benefits that would impact effective rate | 700,000,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate | 2,500,000,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate | 3,100,000,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |
| Number of jurisdictions for filing income tax returns (more than) | 100bac_NumberofJurisdictionsFiled | ||
| Unrecognized tax benefits is reasonable possible, amount of unrecorded benefit | (400,000,000)us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit | ||
| Penalties and interest expense | (196,000,000)us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense | 127,000,000us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense | 99,000,000us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense |
| Penalties and interest accured | 455,000,000us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued | 888,000,000us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued | |
| Undistributed earnings of foreign subsidiaries | 17,200,000,000us-gaap_UndistributedEarningsOfForeignSubsidiaries | ||
| Deferred tax liabilities, undistributed foreign earnings | $ 4,500,000,000us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings | ||
| X | ||||||||||
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- Definition
Number of Jurisdictions Filed No definition available.
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- Definition
The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. No definition available.
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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