Bank of America Corporation Quarterly report pursuant to Section 13 or 15(d)

Allowance for Credit Losses - Allowance by Portfolio Segment (Details)

Allowance for Credit Losses - Allowance by Portfolio Segment (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Loan and Lease Losses, beginning balance	$ 14,419,000,000	$ 17,428,000,000
Loans and leases charged off	(1,645,000,000)	(1,868,000,000)
Recoveries of loans and leases previously charged off	451,000,000	480,000,000
Net charge-offs	(1,194,000,000)	(1,388,000,000)
Provision for loan and lease losses	756,000,000us-gaap_ProvisionForLoanAndLeaseLosses	984,000,000us-gaap_ProvisionForLoanAndLeaseLosses
Other	(17,000,000)	(15,000,000)
Allowance for Loan and Lease Losses, ending balance	13,676,000,000	16,618,000,000
Provision for unfunded lending commitments	765,000,000	1,009,000,000
Reserve for unfunded lending commitments, ending balance	14,213,000,000	17,127,000,000
Allowance for credit losses	14,213,000,000	17,127,000,000
Consumer Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Loan and Lease Losses, beginning balance	5,935,000,000	8,518,000,000
Loans and leases charged off	(552,000,000)	(596,000,000)
Recoveries of loans and leases previously charged off	183,000,000	167,000,000
Net charge-offs	(369,000,000)	(429,000,000)
Provision for loan and lease losses	(28,000,000)	(141,000,000)
Other	0	(1,000,000)
Allowance for Loan and Lease Losses, ending balance	5,250,000,000	7,556,000,000
Reserve for unfunded lending commitments, ending balance	5,250,000,000	7,556,000,000
Allowance for credit losses	5,250,000,000	7,556,000,000
Valuation allowance	1,314,000,000		1,652,000,000
Credit card and other consumer
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Loan and Lease Losses, beginning balance	4,047,000,000	4,905,000,000
Loans and leases charged off	(964,000,000)	(1,128,000,000)
Recoveries of loans and leases previously charged off	216,000,000	218,000,000
Net charge-offs	(748,000,000)	(910,000,000)
Provision for loan and lease losses	647,000,000	791,000,000
Other	(17,000,000)	(11,000,000)
Allowance for Loan and Lease Losses, ending balance	3,929,000,000	4,775,000,000
Reserve for unfunded lending commitments, ending balance	3,929,000,000	4,775,000,000
Allowance for credit losses	3,929,000,000	4,775,000,000
Commercial
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Loan and Lease Losses, beginning balance	4,437,000,000	4,005,000,000
Loans and leases charged off	(129,000,000)	(144,000,000)
Recoveries of loans and leases previously charged off	52,000,000	95,000,000
Net charge-offs	(77,000,000)	(49,000,000)
Provision for loan and lease losses	137,000,000	334,000,000
Other	0	(3,000,000)
Allowance for Loan and Lease Losses, ending balance	4,497,000,000	4,287,000,000
Reserve for unfunded lending commitments, ending balance	5,034,000,000	4,796,000,000
Allowance for credit losses	5,034,000,000	4,796,000,000
Receivables Acquired with Deteriorated Credit Quality
Allowance for Loan and Lease Losses [Roll Forward]
Loans and leases charged off	(288,000,000)	(391,000,000)
Provision for loan and lease losses	(50,000,000)	0
Financing receivable allowance sold	110,000,000	158,000,000
Valuation allowance	1,314,000,000		1,652,000,000
Receivables Acquired with Deteriorated Credit Quality \| Consumer Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Loans and leases charged off	(288,000,000)	(391,000,000)
Receivables Acquired with Deteriorated Credit Quality \| Credit card and other consumer
Allowance for Loan and Lease Losses [Roll Forward]
Loans and leases charged off	0	0
Receivables Acquired with Deteriorated Credit Quality \| Commercial
Allowance for Loan and Lease Losses [Roll Forward]
Loans and leases charged off	0	0
Unfunded loan commitments
Allowance for Loan and Lease Losses [Roll Forward]
Reserve for unfunded lending commitments, beginning balance	528,000,000	484,000,000
Provision for unfunded lending commitments	9,000,000	25,000,000
Reserve for unfunded lending commitments, ending balance	537,000,000	509,000,000
Allowance for credit losses	537,000,000	509,000,000
Unfunded loan commitments \| Consumer Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Reserve for unfunded lending commitments, beginning balance	0	0
Provision for unfunded lending commitments	0	0
Reserve for unfunded lending commitments, ending balance	0	0
Allowance for credit losses	0	0
Unfunded loan commitments \| Credit card and other consumer
Allowance for Loan and Lease Losses [Roll Forward]
Reserve for unfunded lending commitments, beginning balance	0	0
Provision for unfunded lending commitments	0	0
Reserve for unfunded lending commitments, ending balance	0	0
Allowance for credit losses	0	0
Unfunded loan commitments \| Commercial
Allowance for Loan and Lease Losses [Roll Forward]
Reserve for unfunded lending commitments, beginning balance	528,000,000	484,000,000
Provision for unfunded lending commitments	9,000,000	25,000,000
Reserve for unfunded lending commitments, ending balance	537,000,000	509,000,000
Allowance for credit losses	$ 537,000,000	$ 509,000,000