Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Other (Details)

Securitizations and Other Variable Interest Entities - Other (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
On-balance sheet assets
Trading account assets	$ 186,860,000,000us-gaap_TradingSecurities	$ 191,785,000,000us-gaap_TradingSecurities
Derivative assets	61,331,000,000us-gaap_DerivativeAssets	52,682,000,000us-gaap_DerivativeAssets
Debt securities carried at fair value	324,174,000,000bac_DebtSecuritiesCarriedAtFairValue	320,695,000,000bac_DebtSecuritiesCarriedAtFairValue
Loans and leases	877,956,000,000	881,391,000,000
Allowance for loan and lease losses	(13,676,000,000)	(14,419,000,000)	(16,618,000,000)	(17,428,000,000)
Loans held-for-sale	9,732,000,000us-gaap_LoansReceivableHeldForSaleNet	12,836,000,000us-gaap_LoansReceivableHeldForSaleNet
All other assets	109,574,000,000us-gaap_OtherAssets	112,063,000,000us-gaap_OtherAssets
Total assets	2,143,545,000,000us-gaap_Assets	2,104,534,000,000us-gaap_Assets	2,149,851,000,000us-gaap_Assets
On-balance sheet liabilities
Long-term debt	237,858,000,000us-gaap_LongTermDebt	243,139,000,000us-gaap_LongTermDebt
Total liabilities	1,893,357,000,000us-gaap_Liabilities	1,861,063,000,000us-gaap_Liabilities
Investment Vehicles
Variable Interest Entity [Line Items]
Maximum loss exposure	4,300,000,000	5,100,000,000
On-balance sheet liabilities
Long-term debt	780,000,000	780,000,000
Customer Vehicles
Variable Interest Entity [Line Items]
Maximum loss exposure	3,600,000,000	4,700,000,000
On-balance sheet liabilities
Long-term debt	705,000,000	584,000,000
Liquidity commitments to unconsolidated securitization trusts	650,000,000	658,000,000
Collateralized Debt Obligations
Variable Interest Entity [Line Items]
Maximum loss exposure	732,000,000	780,000,000
On-balance sheet liabilities
Notional amount of liquidity exposure	1,200,000,000
Consolidated VIEs \| Investment Vehicles
On-balance sheet assets
Total assets	1,100,000,000	1,100,000,000
Consolidated VIEs \| Leveraged Lease Trusts
On-balance sheet assets
Total assets	3,200,000,000	3,300,000,000
Unconsolidated VIEs \| Investment Vehicles
Variable Interest Entity [Line Items]
Maximum loss exposure	250,000,000	660,000,000
On-balance sheet assets
Total assets	8,800,000,000	11,200,000,000
On-balance sheet liabilities
Consolidated total assets of VIEs	150,000,000	431,000,000
Unconsolidated VIEs \| Real Estate Vehicles
On-balance sheet assets
Total assets	6,200,000,000	6,200,000,000
Other Variable Interest Entities
Variable Interest Entity [Line Items]
Maximum loss exposure	18,123,000,000	20,372,000,000
On-balance sheet assets
Trading account assets	1,896,000,000	1,930,000,000
Derivative assets	303,000,000	289,000,000
Debt securities carried at fair value	188,000,000	483,000,000
Loans and leases	5,674,000,000	6,713,000,000
Allowance for loan and lease losses	(5,000,000)	(6,000,000)
Loans held-for-sale	1,398,000,000	2,081,000,000
All other assets	7,868,000,000	8,015,000,000
Total assets	17,322,000,000	19,505,000,000
On-balance sheet liabilities
Long-term debt	1,845,000,000	1,834,000,000
All other liabilities	2,660,000,000	2,748,000,000
Total liabilities	4,505,000,000	4,582,000,000
Other Variable Interest Entities \| Consolidated VIEs
Variable Interest Entity [Line Items]
Maximum loss exposure	6,731,000,000	7,981,000,000
On-balance sheet assets
Trading account assets	1,520,000,000	1,575,000,000
Derivative assets	5,000,000	5,000,000
Debt securities carried at fair value	0	0
Loans and leases	3,261,000,000	4,020,000,000
Allowance for loan and lease losses	(5,000,000)	(6,000,000)
Loans held-for-sale	731,000,000	1,267,000,000
All other assets	1,629,000,000	1,641,000,000
Total assets	7,141,000,000	8,502,000,000
On-balance sheet liabilities
Long-term debt	1,845,000,000	1,834,000,000
All other liabilities	81,000,000	105,000,000
Total liabilities	1,926,000,000	1,939,000,000
Other Variable Interest Entities \| Unconsolidated VIEs
Variable Interest Entity [Line Items]
Maximum loss exposure	11,392,000,000	12,391,000,000
On-balance sheet assets
Trading account assets	376,000,000	355,000,000
Derivative assets	298,000,000	284,000,000
Debt securities carried at fair value	188,000,000	483,000,000
Loans and leases	2,413,000,000	2,693,000,000
Allowance for loan and lease losses	0	0
Loans held-for-sale	667,000,000	814,000,000
All other assets	6,239,000,000	6,374,000,000
Total assets	10,181,000,000	11,003,000,000
On-balance sheet liabilities
Long-term debt	0	0
All other liabilities	2,579,000,000	2,643,000,000
Total liabilities	2,579,000,000	2,643,000,000
Other Variable Interest Entities \| Unconsolidated VIEs
On-balance sheet liabilities
Consolidated total assets of VIEs	7,141,000,000	8,502,000,000
Unconsolidated total assets of VIEs	36,968,000,000	41,467,000,000
Total assets of VIEs	$ 44,109,000,000	$ 49,969,000,000