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

Long-term Debt - Balances (Details)

Long-term Debt - Balances (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt	$ 240,856	$ 229,392
Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	199,909	183,255
Subsidiaries
Debt Instrument [Line Items]
Long-term debt	20,789	17,101
Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	20,158	29,036
Senior notes \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 159,817
Senior notes \| Bank of America Corporation \| Bank of America Corporation, Senior Notes, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	3.30%
Long-term debt	$ 140,265	120,548
Senior notes \| Bank of America Corporation \| Bank of America Corporation, Senior Notes, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	1.81%
Long-term debt	$ 19,552	25,574
Senior notes \| Bank of America Corporation \| Minimum \| Bank of America Corporation, Senior Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	0.25%
Senior notes \| Bank of America Corporation \| Minimum \| Bank of America Corporation, Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	0.25%
Senior notes \| Bank of America Corporation \| Maximum \| Bank of America Corporation, Senior Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	8.05%
Senior notes \| Bank of America Corporation \| Maximum \| Bank of America Corporation, Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	6.68%
Senior notes \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	$ 7,027
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Bank of America, N.A., Senior Notes, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	3.34%
Interest Rates	3.34%
Long-term debt	$ 508	0
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Bank of America, N.A., Senior Notes, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	2.18%
Long-term debt	$ 6,519	1,770
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Minimum \| Bank of America, N.A., Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	1.99%
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Maximum \| Bank of America, N.A., Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	2.51%
Senior structured notes \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 16,941	13,815
Subordinated notes \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 22,414
Subordinated notes \| Bank of America Corporation \| Bank of America Corporation, Subordinated Notes, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	4.89%
Long-term debt	$ 21,632	20,843
Subordinated notes \| Bank of America Corporation \| Bank of America Corporation, Subordinated Notes, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	2.74%
Long-term debt	$ 782	1,742
Subordinated notes \| Bank of America Corporation \| Minimum \| Bank of America Corporation, Subordinated Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	2.94%
Subordinated notes \| Bank of America Corporation \| Minimum \| Bank of America Corporation, Subordinated Notes, Floating
Debt Instrument [Line Items]
Interest Rates	2.56%
Subordinated notes \| Bank of America Corporation \| Maximum \| Bank of America Corporation, Subordinated Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	8.57%
Subordinated notes \| Bank of America Corporation \| Maximum \| Bank of America Corporation, Subordinated Notes, Floating
Debt Instrument [Line Items]
Interest Rates	2.89%
Subordinated notes \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	$ 1,744
Subordinated notes \| Subsidiaries \| Bank of America, N.A. \| Bank of America, N.A., Subordinated Notes, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	6.00%
Interest Rates	6.00%
Long-term debt	$ 1,744	1,617
Junior subordinated notes (related to trust preferred securities) \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 737
Junior subordinated notes (related to trust preferred securities) \| Bank of America Corporation \| Bank of America Corporation, Junior Subordinated Notes, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	6.71%
Long-term debt	$ 736	732
Junior subordinated notes (related to trust preferred securities) \| Bank of America Corporation \| Bank of America Corporation, Junior Subordinated Notes, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	2.71%
Interest Rates	2.71%
Long-term debt	$ 1	1
Junior subordinated notes (related to trust preferred securities) \| Bank of America Corporation \| Minimum \| Bank of America Corporation, Junior Subordinated Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	6.45%
Junior subordinated notes (related to trust preferred securities) \| Bank of America Corporation \| Maximum \| Bank of America Corporation, Junior Subordinated Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	8.05%
Advances from Federal Home Loan Banks \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	$ 2,612
Advances from Federal Home Loan Banks \| Subsidiaries \| Bank of America, N.A. \| Bank of America, N.A., Advances from Federal Home Loan Banks, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	4.98%
Long-term debt	$ 112	130
Advances from Federal Home Loan Banks \| Subsidiaries \| Bank of America, N.A. \| Bank of America, N.A., Advances from Federal Home Loan Banks, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	1.79%
Long-term debt	$ 2,500	14,751
Advances from Federal Home Loan Banks \| Subsidiaries \| Bank of America, N.A. \| Minimum \| Bank of America, N.A., Advances from Federal Home Loan Banks, Fixed
Debt Instrument [Line Items]
Interest Rates	0.01%
Advances from Federal Home Loan Banks \| Subsidiaries \| Bank of America, N.A. \| Minimum \| Bank of America, N.A., Advances from Federal Home Loan Banks, Floating
Debt Instrument [Line Items]
Interest Rates	1.77%
Advances from Federal Home Loan Banks \| Subsidiaries \| Bank of America, N.A. \| Maximum \| Bank of America, N.A., Advances from Federal Home Loan Banks, Fixed
Debt Instrument [Line Items]
Interest Rates	7.72%
Advances from Federal Home Loan Banks \| Subsidiaries \| Bank of America, N.A. \| Maximum \| Bank of America, N.A., Advances from Federal Home Loan Banks, Floating
Debt Instrument [Line Items]
Interest Rates	1.84%
Securitizations and other BANA VIEs \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	$ 8,373	10,326
Other \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	402	442
Structured liabilities \| Subsidiaries
Debt Instrument [Line Items]
Long-term debt	20,442	16,483
Nonbank VIEs \| Subsidiaries
Debt Instrument [Line Items]
Long-term debt	$ 347	$ 618