2.0.0.10 false Consolidated Statement of Income (USD $) 103 - Statement - Consolidated Statement of Income true false In Millions, except Share data in Thousands false false 1 usd $ false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 false 2 usd $ false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 5 3 us-gaap_InterestAndDividendIncomeOperatingAbstract us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 6 4 us-gaap_InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 true true false false 13475000000 13475 false false false 2 true true false false 13349000000 13349 false false false Interest and fee income generated by loans the Entity intends and has the ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (1) industrial and agricultural; (2) real estate; and (3) real estate construction loans; (4) trade financing; (5) lease financing; (6) home equity lines-of-credit; (7) automobile and other vehicle loans; and (8) credit card and other revolving-type loans. Also includes interest income for leases held by the Entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 9 false 7 4 bac_InterestIncomeDebtSecurities bac false credit duration monetary Interest income on debt securities including: (1) available-for-sale debt securities including (a) interest earned on the... false false false false false false false false false false false false 1 false true false false 3116000000 3116 false false false 2 false true false false 3830000000 3830 false false false Interest income on debt securities including: (1) available-for-sale debt securities including (a) interest earned on the securities and (b) amortization and accretion (as applicable) of discounts and premiums, if any, and (2) debt securities which the Entity has positive intent and ability to hold for the foreseeable future or until maturity ("held-to-maturity debt securities") consisting of: (a) interest earned on the securities and (b) amortization and accretion (as applicable) of discounts and premiums, if any. No authoritative reference available. false 8 4 us-gaap_InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 448000000 448 false false false 2 false true false false 1155000000 1155 false false false The aggregate interest income earned from (1) the lending of excess federal funds to another commercial bank requiring such for its legal reserve requirements and (2) securities purchased under agreements to resell. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 4 -Article 9 false 9 4 us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1743000000 1743 false false false 2 false true false false 2428000000 2428 false false false Interest and dividend income on securities that are bought and held principally for the purpose of selling them in the near term ("trading securities") and on securities measured at fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 12 -Subparagraph a Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 2, 3 -Article 9 false 10 4 us-gaap_OtherInterestAndDividendIncome us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 1097000000 1097 false false false 2 false true false false 1394000000 1394 false false false Includes all other interest income, net of discount accretion and premium amortization, and dividend income. It may include dividend income from equity securities that do not have readily determinable fair values that are reportable in Other Assets, and interest income on interest-only strips receivable (not in the form of a security) that are included in Other Assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 4 -Article 9 false 11 4 us-gaap_InterestAndDividendIncomeOperating us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 19879000000 19879 false false false 2 false true false false 22156000000 22156 false false false Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 9, 51, 54 -IssueDate 2006-05-01 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1, 2 , 3, 4, 5 -Article 9 true 12 3 us-gaap_InterestExpenseAbstract us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 13 4 us-gaap_InterestExpenseDeposits us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 1122000000 1122 false false false 2 false true false false 2543000000 2543 false false false Aggregate amount of interest expense on all deposits. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 6 -Subsection II Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 6 -Article 9 false 14 4 us-gaap_InterestExpenseShortTermBorrowings us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 818000000 818 false false false 2 false true false false 2221000000 2221 false false false The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 7 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 7 -Subsection II false 15 4 us-gaap_InterestExpenseTradingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 660000000 660 false false false 2 false true false false 579000000 579 false false false Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 7 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 55 -IssueDate 2006-05-01 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 7 false 16 4 us-gaap_InterestExpenseLongTermDebt us-gaap true debit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 3530000000 3530 false false false 2 false true false false 4316000000 4316 false false false Aggregate amount of interest paid or due on all long-term debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subsection I false 17 4 us-gaap_InterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 6130000000 6130 false false false 2 false true false false 9659000000 9659 false false false The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 9 -Subsection II Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 true 18 3 us-gaap_InterestIncomeExpenseNet us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 13749000000 13749 false false false 2 false true false false 12497000000 12497 false false false Amount of net interest income or expense derived from banking operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 10 -Article 9 true 19 3 us-gaap_NoninterestIncomeAbstract us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 20 4 bac_FeesAndCommissionsCreditAndDebitCards bac false credit duration monetary Income earned from credit and debit card services including late, over limit, and annual fees. This item excludes interest... false false false false false false false false false false false false 1 false true false false 1976000000 1976 false false false 2 false true false false 2865000000 2865 false false false Income earned from credit and debit card services including late, over limit, and annual fees. This item excludes interest income earned on credit card balances and transactions. Also includes income from servicing credit card loans held by others including changes in the fair value of the interest-only strip receivable. No authoritative reference available. false 21 4 us-gaap_FeesAndCommissionsDepositorAccounts us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 2566000000 2566 false false false 2 false true false false 2533000000 2533 false false false Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 9 false 22 4 bac_BrokerageCommissionsAndAssetManagementFeesRevenue bac false credit duration monetary Revenue recognized in the period for (1) performance (incentive) fees based on the investment results achieved for management... false false false false false false false false false false false false 1 false true false false 3025000000 3025 false false false 2 false true false false 2963000000 2963 false false false Revenue recognized in the period for (1) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (2) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (3) other investment management and advisory fees. In addition, includes fees for acting as an agent, a broker-dealer may buy and sell securities on behalf of its customers. In return for such services, the broker-dealer charges a commission. Each time a customer enters into a buy or sell transaction, a commission is earned by the broker-dealer for its selling and administrative efforts. For securities purchased, the commission is recorded as a receivable from customers; for securities sold, it is recorded as reductions in the payable to customers. Commissions earned are usually related to the broker-dealer's customers' trading volume and the dollar amounts of the trades. In general, commissions are for smaller trades of exchange-listed stocks and bonds made by retail customers. No authoritative reference available. false 23 4 bac_InvestmentBankingAndUnderwritingRevenue bac false credit duration monetary Includes (1) underwriting revenue (the spread between the resale price received and the cost of the securities and related... false false false false false false false false false false false false 1 false true false false 1240000000 1240 false false false 2 false true false false 1055000000 1055 false false false Includes (1) underwriting revenue (the spread between the resale price received and the cost of the securities and related expenses) generated through the purchasing, distributing and reselling of new issues of securities (alternatively, could be a secondary offering of a large block of previously issued securities); and (2) fees earned for mergers, acquisitions, divestitures, restructurings, and other types of financial advisory services. A broker-dealer may underwrite a security offering by contracting to buy the issue either at a fixed price or a price based on selling the offering on a best-effort basis. The difference between the price paid by the public and the contract price less the related expenses represents the underwriting income or loss. No authoritative reference available. false 24 4 bac_EquityInvestmentGainsLosses bac false credit duration monetary The revenue derived from principal investments made by the financial institution. These investments can include (but are not... false false false false false false false false false false false false 1 false true false false 625000000 625 false false false 2 false true false false 1202000000 1202 false false false The revenue derived from principal investments made by the financial institution. These investments can include (but are not limited to) investments in private equity, alternative investment products, real estate, exchanges and memberships. Principal Investment gains or losses includes realized and unrealized investment gains or losses. In addition, includes revenue derived from corporate, strategic and other investments made by the financial institution. These investments can include (but are not limited to) investments in publicly-traded debt and equity securities and funds or strategic ownership investments. No authoritative reference available. false 25 4 us-gaap_TradingGainsLosses us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 5236000000 5236 false false false 2 false true false false 5201000000 5201 false false false A broker-dealer or other financial entity may buy and sell securities exclusively for its own account, sometimes referred to as proprietary trading. The profit or loss is measured by the difference between the acquisition cost and the selling price or current market or fair value. The net gain or loss, includes both realized and unrealized, from trading cash instruments, equities and derivative contracts (including commodity contracts) that has been recognized during the accounting period for the broker dealer or other financial entity's own account. Include as trading revenue: (1) Revaluation adjustments to the carrying value of cash instruments reported as Trading assets, and Trading liabilities, resulting from the periodic marking to market of such instruments. (2) Revaluation adjustments from the periodic marking to market of interest rate, foreign exchange, equity derivative, and commodity and other derivative contracts held for trading. (3) Incidental income and expense related to the purchase and sale of cash instruments reported as Trading assets, and Trading liabilities, and derivative contracts held for trading. Trading gains and losses, which are composed of both realized and unrealized gains and losses, are generally presented net. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 9, 51, 57 -IssueDate 2006-05-01 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 7 -Paragraph 105 -Subparagraph e -IssueDate 2006-05-01 false 26 4 bac_MortgageBankingIncome bac false credit duration monetary The noninterest income derived from mortgage banking activities (fees and commissions), including fees earned from servicing... false false false false false false false false false false false false 1 false true false false 1500000000 1500 false false false 2 false true false false 3314000000 3314 false false false The noninterest income derived from mortgage banking activities (fees and commissions), including fees earned from servicing third-party assets. In addition, includes the adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. No authoritative reference available. false 27 4 us-gaap_InsuranceCommissionsAndFees us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 715000000 715 false false false 2 false true false false 688000000 688 false false false Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products. May also include an entity's proportionate share of the income or loss before extraordinary items and other adjustments from its investments in: unconsolidated subsidiaries, associated companies, and corporate joint ventures, unincorporated joint ventures, general partnerships, and limited partnerships over which the entity exercises significant influence that are principally engaged in insurance underwriting, reinsurance, or insurance sales activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Subparagraph c, d -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 4 -Article 7 false 28 4 us-gaap_GainLossOnSaleOfDebtInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 734000000 734 false false false 2 false true false false 1498000000 1498 false false false The difference between the carrying value and the sale price of debt securities. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 false 29 4 us-gaap_NoninterestIncomeOtherOperatingIncome us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 1204000000 1204 false false false 2 false true false false 2313000000 2313 false false false Represents other forms of revenue earned, excluding interest, which is not otherwise specified in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 9 false 30 4 bac_OtherThanTemporaryImpairmentLossesOnAvailableForSaleDebtSecuritiesAbstract bac false na duration string Other-than-temporary impairment losses on Available For Sale debt securities [Abstract] false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false Other-than-temporary impairment losses on Available For Sale debt securities [Abstract] false 31 5 bac_AvailableForSaleDebtSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount bac false debit duration monetary This element represents the amount of loss recognized for other than temporary impairments of investments in debt securities.... false false false false false false false false false false true negated false 1 false true false false -1819000000 -1819 false false false 2 false true false false -714000000 -714 false false false This element represents the amount of loss recognized for other than temporary impairments of investments in debt securities. Portion of other-than-temporary impairment losses recognized in OCI. No authoritative reference available. false 32 5 bac_NonCreditPortionOfOtherThanTemporaryImpairmentsOfDebtReclassificationRecognizedInOtherComprehensiveIncome bac false debit duration monetary Noncredit portion of impairment losses on debt securities reclassified to OCI for those securities that meet the criteria to... false false false false false false false false false false true negated false 1 false true false false 1218000000 1218 false false false 2 false true false false 343000000 343 false false false Noncredit portion of impairment losses on debt securities reclassified to OCI for those securities that meet the criteria to have impairment losses bifurcated between net income (credit losses) and OCI (noncredit losses). No authoritative reference available. false 33 5 bac_NetImpairmentLossesOnAvailableForSaleDebtSecurities bac false debit duration monetary This item represents the amount of loss recognized for other than temporary impairments of investments in debt securities,... false false false false false false false false false false true negatedtotal false 1 false true false false -601000000 -601 false false false 2 false true false false -371000000 -371 false false false This item represents the amount of loss recognized for other than temporary impairments of investments in debt securities, net of noncredit impairment losses on certain debt securities that are recognized in other comprehensive income. No authoritative reference available. true 34 4 us-gaap_NoninterestIncome us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 18220000000 18220 false false false 2 false true false false 23261000000 23261 false false false The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 13 -Subsection II Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 9 true 35 3 us-gaap_Revenues us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 31969000000 31969 false false false 2 false true false false 35758000000 35758 false false false Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 true 36 3 us-gaap_ProvisionForLoanLeaseAndOtherLosses us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 9805000000 9805 false false false 2 false true false false 13380000000 13380 false false false The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 5 -Paragraph 168, 169, 170 -IssueDate 2006-05-01 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 false 37 3 us-gaap_NoninterestExpenseAbstract us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 38 4 us-gaap_LaborAndRelatedExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 9158000000 9158 false false false 2 false true false false 8768000000 8768 false false false The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including share-based compensation, and pension and other postretirement benefit expense. No authoritative reference available. false 39 4 us-gaap_OccupancyNet us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 1172000000 1172 false false false 2 false true false false 1128000000 1128 false false false Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 62 -IssueDate 2006-05-01 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph d Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 15 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph c false 40 4 us-gaap_EquipmentExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 613000000 613 false false false 2 false true false false 622000000 622 false false false This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses. No authoritative reference available. false 41 4 us-gaap_MarketingAndAdvertisingExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 487000000 487 false false false 2 false true false false 521000000 521 false false false The total expense recognized in the period for promotion, public relations, and brand or product advertising. No authoritative reference available. false 42 4 us-gaap_ProfessionalFees us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 517000000 517 false false false 2 false true false false 405000000 405 false false false A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. No authoritative reference available. false 43 4 us-gaap_AmortizationOfIntangibleAssets us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 446000000 446 false false false 2 false true false false 520000000 520 false false false The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(2) false 44 4 us-gaap_InformationTechnologyAndDataProcessing us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 648000000 648 false false false 2 false true false false 648000000 648 false false false The amount of expenses incurred in the period for information technology and data processing products and services. No authoritative reference available. false 45 4 us-gaap_Communication us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 330000000 330 false false false 2 false true false false 327000000 327 false false false The amount of expense incurred in the period for communication, which is the exchange of information by several methods. No authoritative reference available. false 46 4 us-gaap_OtherNoninterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 3883000000 3883 false false false 2 false true false false 3298000000 3298 false false false Other noninterest expenses that are not separately presented in any other noninterest expense category. No authoritative reference available. false 47 4 bac_MergerAndRestructuringCharges bac false debit duration monetary Amount charged against earnings in the period for certain costs associated with a successful business combination. Such costs... false false false false false false false false false false false false 1 false true false false 521000000 521 false false false 2 false true false false 765000000 765 false false false Amount charged against earnings in the period for certain costs associated with a successful business combination. Such costs could include costs associated with severance and employee-related charges, systems integrations and other related charges as well as other restructuring charges. No authoritative reference available. false 48 4 us-gaap_NoninterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 17775000000 17775 false false false 2 false true false false 17002000000 17002 false false false Total aggregate amount of all noninterest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 14 -Subsection II Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Article 9 true 49 3 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 4389000000 4389 false false false 2 false true false false 5376000000 5376 false false false Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. 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