Bank of America Corporation Quarterly report pursuant to Section 13 or 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	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	$ 22	$ 45
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	1	6
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	12	14
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	3	7
Trial modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	$ 6	$ 18