2.0.0.10trueConsolidated Balance Sheet (Parenthetical) (USD $)105 - Statement - Consolidated Balance Sheet (Parenthetical)truefalseIn Millions, except Share datafalsefalse1usd$falsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares0false2usd$falsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares022us-gaap_FederalFundsSoldAndSecuritiesBorrowedOrPurchasedUnderAgreementsToResellFairValueDisclosureus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalsefalse7130000000071300falsefalsefalse2truetruefalsefalse5777500000057775falsefalsefalseThis element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. The amount shown on an entity's books for federal funds sold and securities borrowed or purchased under agreements to resell.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 14
-Paragraph 4
-IssueDate 2006-05-01
false32bac_FederalFundsSoldAndSecuritiesBorrowedOrPurchasedUnderAgreementsToResellPledgedAsCollateralbacfalsedebitinstantmonetaryThe fair value of federal funds sold and securities borrowed or purchased under agreements to resell that serve as collateral...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse191346000000191346falsefalsefalse2falsetruefalsefalse189844000000189844falsefalsefalseThe fair value of federal funds sold and securities borrowed or purchased under agreements to resell that serve as collateral for borrowings.No authoritative reference available.false42us-gaap_TradingSecuritiesPledgedAsCollateralus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse3913100000039131falsefalsefalse2falsetruefalsefalse3092100000030921falsefalsefalseThe fair value of trading securities that serve as collateral for borrowings.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph i
false52bac_AvailableForSaleDebtSecuritiesPledgedAsCollateralbacfalsedebitinstantmonetaryThe fair value of available-for-sale debt securities that serve as collateral for borrowings.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse141111000000141111falsefalsefalse2falsetruefalsefalse122708000000122708falsefalsefalseThe fair value of available-for-sale debt securities that serve as collateral for borrowings.No authoritative reference available.false62us-gaap_HeldToMaturitySecuritiesFairValueus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse340000000340falsefalsefalse2falsetruefalsefalse96840000009684falsefalsefalseThis item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 19
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 137
false72us-gaap_LoansReceivableFairValueDisclosureus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse40870000004087falsefalsefalse2falsetruefalsefalse49360000004936falsefalsefalseThis element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 114
-Paragraph 4
false82us-gaap_LoansPledgedAsCollateralus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse106464000000106464falsefalsefalse2falsetruefalsefalse118113000000118113falsefalsefalseCarrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor shall reclassify that asset and report that asset in its statement of financial position separately from other assets not so encumbered.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 15
-Subparagraph a
false92us-gaap_ServicingAssetAtFairValueAmountus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse1884200000018842falsefalsefalse2falsetruefalsefalse1946500000019465falsefalsefalseFair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. The fair value of an asset is the amount at which that asset could be bought or sold (or settled) in a current transaction between willing parties, other than in a forced or liquidation sale. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating loans and then (a) transferring the loans to a qualifying special purpose entity in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 13A, 13B
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS140-4 and FIN46(R)-8
-Paragraph B9
-Subparagraph a(1)
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 17
-Subparagraph f(1)(a)
false102us-gaap_LoansHeldForSaleFairValueDisclosureus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse2538700000025387falsefalsefalse2falsetruefalsefalse3279500000032795falsefalsefalseThis element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loans held-for-sale as presented on the statement of financial position which may include mortgage loans held-for-sale, finance receivables held-for-sale, or any other loans classified as held-for-sale which are due the Company as of the balance sheet date.No authoritative reference available.false112us-gaap_OtherAssetsFairValueDisclosureus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse6307000000063070falsefalsefalse2falsetruefalsefalse5590900000055909falsefalsefalseThis element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of assets categorized as other which are not in and of themselves material enough to require separate disclosure.No authoritative reference available.false122bac_InterestBearingDepositLiabilitiesDomesticMeasuredAtFairValuebacfalsecreditinstantmonetaryThis element represents the fair value of domestic interest-bearing deposits as presented on the statement of financial...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse17170000001717falsefalsefalse2falsetruefalsefalse16630000001663falsefalsefalseThis element represents the fair value of domestic interest-bearing deposits as presented on the statement of financial position.No authoritative reference available.false132bac_FederalFundsPurchasedAndSecuritiesLoanedOrSoldUnderAgreementsToRepourchaseFairValueDisclosurebacfalsecreditinstantmonetaryThis element represents the fair value of federal funds purchased and securities loaned or sold under agreements to...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse4647900000046479falsefalsefalse2falsetruefalsefalse3732500000037325falsefalsefalseThis element represents the fair value of federal funds purchased and securities loaned or sold under agreements to repurchase as presented on the statement of financial position.No authoritative reference available.false142bac_ShortTermDebtAtFairValuebacfalsecreditinstantmonetaryThis element represents the fair value of short-term borrowings as presented on the statement of financial position.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse70210000007021falsefalsefalse2falsetruefalsefalse813000000813falsefalsefalseThis element represents the fair value of short-term borrowings as presented on the statement of financial position.No authoritative reference available.false152bac_OtherLiabilitiesFairValueDisclosurebacfalsecreditinstantmonetaryThis element represents the fair value of liabilities categorized as accrued expenses and other liabilities which are not in...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse2599100000025991falsefalsefalse2falsetruefalsefalse1901500000019015falsefalsefalseThis element represents the fair value of liabilities categorized as accrued expenses and other liabilities which are not in and of themselves material enough to require separate disclosure.No authoritative reference available.false162bac_OtherLiabilitiesReserveForUnfundedLendingCommitmentsbacfalsecreditinstantmonetaryRepresents the estimated probable losses related to unfunded lending commitments measured at historical cost, such as letters...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse15210000001521falsefalsefalse2falsetruefalsefalse14870000001487falsefalsefalseRepresents the estimated probable losses related to unfunded lending commitments measured at historical cost, such as letters of credit and financial guarantees, and binding unfunded loan commitments. Unfunded lending commitments are subject to the same assessment as funded loans except utilization assumptions are considered.No authoritative reference available.false172bac_LongTermDebtAtFairValuebacfalsecreditinstantmonetaryThis element represents the fair value of long-term debt as presented on the statement of financial position.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse4840100000048401falsefalsefalse2falsetruefalsefalse4545100000045451falsefalsefalseThis element represents the fair value of long-term debt as presented on the statement of financial position.No authoritative reference available.false182us-gaap_PreferredStockParOrStatedValuePerShareus-gaaptruenainstantdecimalNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsetrue1truetruefalsefalse0.010.01falsefalsefalse2truetruefalsefalse0.010.01falsefalsefalseFace amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29
-Article 5
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 3, 4, 5, 6, 7, 8
false192us-gaap_PreferredStockSharesAuthorizedus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse100000000100000000.00falsefalsefalse2falsetruefalsefalse100000000100000000.00falsefalsefalseThe maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29
-Article 5
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 3, 4, 5, 6, 7, 8
false202us-gaap_PreferredStockSharesIssuedus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse39606603960660.00falsefalsefalse2falsetruefalsefalse52466605246660.00falsefalsefalseTotal number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29
-Article 5
false212us-gaap_PreferredStockSharesOutstandingus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse39606603960660.00falsefalsefalse2falsetruefalsefalse52466605246660.00falsefalsefalseAggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29
-Article 5
false222us-gaap_CommonStockParOrStatedValuePerShareus-gaaptruenainstantdecimalNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsetrue1truetruefalsefalse0.010.01falsefalsefalse2truetruefalsefalse0.010.01falsefalsefalseFace amount or stated value of common stock per share; generally not indicative of the fair market value per share.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 4
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 30
-Article 5
false232us-gaap_CommonStockSharesAuthorizedus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse1130000000011300000000.00falsefalsefalse2falsetruefalsefalse1000000000010000000000.00falsefalsefalseThe maximum number of common shares permitted to be issued by an entity's charter and bylaws.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 30
-Article 5
false242us-gaap_CommonStockSharesIssuedus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse1003200115010032001150.00falsefalsefalse2falsetruefalsefalse86502439268650243926.00falsefalsefalseTotal number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 30
-Article 5
false252us-gaap_CommonStockSharesOutstandingus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse1003200115010032001150.00falsefalsefalse2falsetruefalsefalse86502439268650243926.00falsefalsefalseTotal number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Excludes common shares repurchased by the entity and held as Treasury shares. Shares outstanding equals shares issued minus shares held in treasury. Does not include common shares that have been repurchased.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 30
-Article 5
false270natruenananaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.bankofamerica.com/taxonomy/role/statementoffinancialpositionunclassified-depositbasedoperationsparentheticalfalse1falsefalsefalsefalse00falsefalsefalse2falsefalsefalsefalse00falsefalsefalsefalse3usd$truefalsefalsefalseVariable Interest Entity, Primary Beneficiaryus-gaap_VariableInterestEntitiesByClassificationOfEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_VariableInterestEntityPrimaryBeneficiaryMemberus-gaap_VariableInterestEntitiesByClassificationOfEntityAxisexplicitMemberfalsefalseShort-term Debtus-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ShortTermDebtMemberus-gaap_DebtInstrumentAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170No definition available.No authoritative reference available.false522bac_NonRecourseDebtbacfalsecreditinstantmonetaryNon Recourse Debtfalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse1449000000014490falsefalsefalse2falsefalsefalsefalse00falsefalsefalseNon Recourse DebtNo authoritative reference available.false530natruenananaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.bankofamerica.com/taxonomy/role/statementoffinancialpositionunclassified-depositbasedoperationsparentheticalfalse1falsefalsefalsefalse00falsefalsefalse2falsefalsefalsefalse00falsefalsefalsefalse4usd$truefalsefalsefalseVariable Interest Entity, Primary Beneficiaryus-gaap_VariableInterestEntitiesByClassificationOfEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_VariableInterestEntityPrimaryBeneficiaryMemberus-gaap_VariableInterestEntitiesByClassificationOfEntityAxisexplicitMemberfalsefalseLong-term Debtus-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LongTermDebtMemberus-gaap_DebtInstrumentAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170No definition available.No authoritative reference available.false782bac_NonRecourseDebtbacfalsecreditinstantmonetaryNon Recourse Debtfalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse8602300000086023falsefalsefalse2falsefalsefalsefalse00falsefalsefalseNon Recourse DebtNo authoritative reference available.false790natruenananaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.bankofamerica.com/taxonomy/role/statementoffinancialpositionunclassified-depositbasedoperationsparentheticalfalse1falsefalsefalsefalse00falsefalsefalse2falsefalsefalsefalse00falsefalsefalsefalse5usd$truefalsefalsefalseVariable Interest Entity, Primary Beneficiaryus-gaap_VariableInterestEntitiesByClassificationOfEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_VariableInterestEntityPrimaryBeneficiaryMemberus-gaap_VariableInterestEntitiesByClassificationOfEntityAxisexplicitMemberfalsefalseOther Liabilitiesus-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_OtherLiabilitiesMemberus-gaap_DebtInstrumentAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170No definition available.No authoritative reference available.false1042bac_NonRecourseDebtbacfalsecreditinstantmonetaryNon Recourse Debtfalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalsefalse25610000002561falsefalsefalse2falsefalsefalsefalse00falsefalsefalseNon Recourse DebtNo authoritative reference available.falsefalse230falseMillionsNoRoundingHundredsfalsetrue