Bank of America Corporation Annual report pursuant to Section 13 and 15(d)

Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - TDRs Entering Payment Default That Were Modified During the Preceding 12 Months (Details) - Consumer real estate - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	$ 140	$ 201	$ 368
Modifications under government programs
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	16	26	39
Modifications under proprietary programs
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	51	88	158
Loans discharged in Chapter 7 bankruptcy
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	19	30	64
Trial modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	$ 54	$ 57	$ 107