|
Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Deferred tax assets | ||
| Net operating loss carryforwards | $ 9,787us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | $ 10,967us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
| Accrued expenses | 5,916us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 6,749us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities |
| Tax credit carryforwards | 5,614us-gaap_DeferredTaxAssetsTaxCreditCarryforwards | 9,689us-gaap_DeferredTaxAssetsTaxCreditCarryforwards |
| Security, loan and debt valuations | 5,190bac_DeferredTaxAssetsSecurityLoanandDebtValuations | 4,264bac_DeferredTaxAssetsSecurityLoanandDebtValuations |
| Allowance for credit losses | 5,047us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses | 6,100us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses |
| Employee compensation and retirement benefits | 3,665us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits | 2,729us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits |
| State income taxes | 2,034us-gaap_DeferredTaxAssetsStateTaxes | 2,643us-gaap_DeferredTaxAssetsStateTaxes |
| Available-for-sale securities | 0us-gaap_DeferredTaxAssetsInvestments | 1,918us-gaap_DeferredTaxAssetsInvestments |
| Other | 1,688us-gaap_DeferredTaxAssetsOther | 722us-gaap_DeferredTaxAssetsOther |
| Gross deferred tax assets | 38,941us-gaap_DeferredTaxAssetsGross | 45,781us-gaap_DeferredTaxAssetsGross |
| Valuation allowance | (1,111)us-gaap_DeferredTaxAssetsValuationAllowance | (1,940)us-gaap_DeferredTaxAssetsValuationAllowance |
| Total deferred tax assets, net of valuation allowance | 37,830us-gaap_DeferredTaxAssetsNet | 43,841us-gaap_DeferredTaxAssetsNet |
| Deferred tax liabilities | ||
| Equipment lease financing | 2,880us-gaap_DeferredTaxLiabilitiesLeasingArrangements | 3,106us-gaap_DeferredTaxLiabilitiesLeasingArrangements |
| Intangibles | 1,349us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets | 1,529us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets |
| Mortgage servicing rights | 1,041us-gaap_DeferredTaxLiabilitiesMortgageServicingRights | 1,547us-gaap_DeferredTaxLiabilitiesMortgageServicingRights |
| Available-for-sale securities | 828us-gaap_DeferredTaxLiabilitiesInvestments | 0us-gaap_DeferredTaxLiabilitiesInvestments |
| Fee income | 816us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome | 798us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome |
| Long-term borrowings | 587bac_DeferredTaxLiabilitiesLongTermBorrowings | 3,033bac_DeferredTaxLiabilitiesLongTermBorrowings |
| Other | 2,075us-gaap_DeferredTaxLiabilitiesOther | 1,472us-gaap_DeferredTaxLiabilitiesOther |
| Gross deferred tax liabilities | 9,576us-gaap_DeferredIncomeTaxLiabilities | 11,485us-gaap_DeferredIncomeTaxLiabilities |
| Net deferred tax assets | $ 28,254us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 32,356us-gaap_DeferredTaxAssetsLiabilitiesNet |
| X | ||||||||||
|
- Definition
Deferred Tax Assets, Security, Loan, and Debt Valuations No definition available.
|
| X | ||||||||||
|
- Definition
Deferred Tax Liabilities, Long Term Borrowings No definition available.
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). No definition available.
|
| X | ||||||||||
|
- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes. No definition available.
|
| X | ||||||||||
|
- Definition
The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). No definition available.
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or other income not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|