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

Commitments and Contingencies - Other Commitments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Resale And Forward-Dated Resale And Securities Borrowing Agreements And Forward-Dated Repurchase And Securities Lending Agreements
Loss Contingencies [Line Items]
Other commitment, expiration term (in months)	12 months
Resale and Forward-Dated Resale and Securities Borrowing Agreements
Loss Contingencies [Line Items]
Other commitments	$ 116,500	$ 92,000
Forward-Dated Repurchase and Securities Lending Agreements
Loss Contingencies [Line Items]
Other commitments	90,100	57,800
Auto Loans and Leases
Loss Contingencies [Line Items]
Other commitment, due in next twelve months	$ 4,100	3,700
Other commitment, termination prior notice period	12 months
Equity Investment Commitments
Loss Contingencies [Line Items]
Other commitments	$ 534	571
Residential and Commercial Portfolio Segments \| Loan Purchase Commitments \| Residential and Commercial Financing Receivable
Loss Contingencies [Line Items]
Other commitments	749	636
Commercial \| Loan Purchase Commitments
Loss Contingencies [Line Items]
Other commitments	$ 226	$ 294