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

Securitizations and Other Variable Interest Entities - Other Variable Interest Entities, Additional Information (Details)

Securitizations and Other Variable Interest Entities - Other Variable Interest Entities, Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Variable Interest Entity [Line Items]
Total assets	$ 2,738,452	$ 2,426,330	$ 2,738,452	$ 2,426,330	$ 2,434,079
Consolidated VIEs
Variable Interest Entity [Line Items]
Total assets	26,965		26,965		44,381
Customer Vehicles
Variable Interest Entity [Line Items]
Maximum loss exposure	2,400		2,400		2,200
Collateralized Debt Obligations
Variable Interest Entity [Line Items]
Maximum loss exposure	252		252		304
Investment Vehicles
Variable Interest Entity [Line Items]
Maximum loss exposure	5,900		5,900		6,400
Investment Vehicles \| Consolidated VIEs
Variable Interest Entity [Line Items]
Total assets	552		552		104
Investment Vehicles \| Unconsolidated VIEs
Variable Interest Entity [Line Items]
Total assets	37,300		37,300		32,400
Leveraged Lease Trusts \| Consolidated VIEs
Variable Interest Entity [Line Items]
Total assets	1,700		1,700		1,700
Tax Credit Vehicles
Investments in Affordable Housing Projects [Abstract]
Unfunded commitments	4,800		$ 4,800		4,300
Unfunded commitment payment period			5 years
Tax credits and other benefits	376	276	$ 986	847
Expected tax benefits recognized, as a percentage			25.00%
Tax Credit Vehicles \| Other income
Investments in Affordable Housing Projects [Abstract]
Pretax income (losses)	(272)	$ 250	$ (799)	$ 732
Tax Credit Vehicles \| Other assets
Investments in Affordable Housing Projects [Abstract]
Investments in affordable housing project investments	10,600		10,600		10,000
Tax Credit Vehicles \| Unconsolidated VIEs
Variable Interest Entity [Line Items]
Maximum loss exposure	$ 20,000		$ 20,000		$ 18,900