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Employee Benefit Plans - Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
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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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Dec. 31, 2011
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
$ 24,133us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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$ 23,525us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
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| Level 1 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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= us-gaap_FairValueInputsLevel1Member
|
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| Level 2 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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| Level 3 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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|
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| Money market and interest-bearing cash |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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| Money market and interest-bearing cash | Level 1 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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| Money market and interest-bearing cash | Level 2 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Money market and interest-bearing cash | Level 3 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Cash and cash equivalent commingled/mutual funds |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Cash and cash equivalent commingled/mutual funds | Level 1 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
|
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| Cash and cash equivalent commingled/mutual funds | Level 2 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Cash and cash equivalent commingled/mutual funds | Level 3 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| U.S. government and government agency securities |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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|
| U.S. government and government agency securities | Level 1 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| U.S. government and government agency securities | Level 2 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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| U.S. government and government agency securities | Level 3 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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|
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| Corporate debt securities |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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|
| Corporate debt securities | Level 1 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
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| Corporate debt securities | Level 2 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
|
|
| Corporate debt securities | Level 3 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Asset-backed securities |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
|
|
| Asset-backed securities | Level 1 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
| Asset-backed securities | Level 2 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Asset-backed securities | Level 3 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Non-U.S. debt securities |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
|
|
| Non-U.S. debt securities | Level 1 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
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| Non-U.S. debt securities | Level 2 |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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| Non-U.S. debt securities | Level 3 |
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
| Fixed income commingled/mutual funds |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
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|
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|
| Fixed income commingled/mutual funds | Level 1 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
|
|
| Fixed income commingled/mutual funds | Level 2 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
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|
|
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| Fixed income commingled/mutual funds | Level 3 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
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|
|
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| Common and preferred equity securities |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
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|
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|
|
|
| Common and preferred equity securities | Level 1 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Fair value of plan assets |
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|
|
|
| Common and preferred equity securities | Level 2 |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
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|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_CommonandPreferredEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_CommonandPreferredEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
|
|
| Common and preferred equity securities | Level 3 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_CommonandPreferredEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_CommonandPreferredEquitySecuritiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
|
|
| Equity commingled/mutual funds |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
1,833us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
|
2,521us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
|
|
|
| Equity commingled/mutual funds | Level 1 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
16us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
213us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
|
|
| Equity commingled/mutual funds | Level 2 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
1,817us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
2,308us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
|
|
| Equity commingled/mutual funds | Level 3 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_EquityCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
|
|
| Public real estate investment trusts |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
124us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
|
127us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
|
|
|
| Public real estate investment trusts | Level 1 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
124us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
127us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
|
|
| Public real estate investment trusts | Level 2 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
|
|
| Public real estate investment trusts | Level 3 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PublicRealEstateInvestmentTrustsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
|
|
| Private real estate |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
127us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
|
119us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
|
|
|
| Private real estate | Level 1 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
|
|
| Private real estate | Level 2 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
|
|
| Private real estate | Level 3 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
127us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
119us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
110us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
113us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_PrivateRealEstateMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
| Real estate commingled/mutual funds |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
636us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
|
469us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
|
|
|
| Real estate commingled/mutual funds | Level 1 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
|
|
| Real estate commingled/mutual funds | Level 2 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
4us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
7us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
|
|
| Real estate commingled/mutual funds | Level 3 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
632us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
462us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
324us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
249us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_RealEstateCommingledMutualFundsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
| Limited partnerships |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
187us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
|
262us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
|
|
|
| Limited partnerships | Level 1 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
|
|
| Limited partnerships | Level 2 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
122us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
117us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
|
|
| Limited partnerships | Level 3 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
65us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
145us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
231us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
232us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_LimitedPartnershipsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
| Other investments |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
618us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
|
797us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
|
|
|
| Other investments | Level 1 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
1us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
0us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
|
|
| Other investments | Level 2 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
490us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
662us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
|
|
| Other investments | Level 3 |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
127us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
135us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
129us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
122us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_OtherInvestmentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
|
| Interest Rate Swap |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
297us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_InterestRateSwapMember
|
435us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_InterestRateSwapMember
|
|
|
| Participant Loans |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
78us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_ParticipantLoansMember
|
87us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_ParticipantLoansMember
|
|
|
| Commodity and Balanced Funds |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
178us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_CommodityandBalancedFundsMember
|
229us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_CommodityandBalancedFundsMember
|
|
|
| Other Various Investments |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Fair value of plan assets |
$ 65us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_OtherVariousInvestmentsMember
|
$ 46us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= bac_OtherVariousInvestmentsMember
|
|
|