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, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Variable Interest Entity [Line Items]
Total assets	$ 2,338,833	$ 2,284,174	$ 2,338,833	$ 2,284,174	$ 2,281,234
Consolidated VIEs
Variable Interest Entity [Line Items]
Total assets	49,745		49,745		56,155
Customer Vehicles
Variable Interest Entity [Line Items]
Maximum loss exposure	2,200		2,200		2,300
Collateralized Debt Obligations
Variable Interest Entity [Line Items]
Maximum loss exposure	433		433		358
Investment Vehicles
Variable Interest Entity [Line Items]
Maximum loss exposure	6,200		6,200		5,700
Investment Vehicles \| Consolidated VIEs
Variable Interest Entity [Line Items]
Total assets	337		337		249
Investment Vehicles \| Unconsolidated VIEs
Variable Interest Entity [Line Items]
Total assets	29,200		29,200		20,300
Leveraged Lease Trusts \| Consolidated VIEs
Variable Interest Entity [Line Items]
Total assets	1,800		1,800		2,000
Tax Credit Vehicles
Investments in Affordable Housing Projects [Abstract]
Unfunded commitments	3,600		$ 3,600		3,100
Unfunded commitment payment period			5 years
Tax credits and other benefits	265	293	$ 750	825
Expected tax benefits recognized, as a percentage			25.00%
Tax Credit Vehicles \| Other income
Investments in Affordable Housing Projects [Abstract]
Pretax losses	215	$ 209	$ 640	$ 612
Tax Credit Vehicles \| Other assets
Investments in Affordable Housing Projects [Abstract]
Investments in affordable housing project investments	8,400		8,400		8,000
Tax Credit Vehicles \| Unconsolidated VIEs
Variable Interest Entity [Line Items]
Maximum loss exposure	$ 14,700		$ 14,700		$ 13,800