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, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Long-term debt	$ 229,340	$ 227,402
Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	183,208	185,953
Subsidiaries
Debt Instrument [Line Items]
Long-term debt	17,096	19,831
Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	29,036	21,618
Senior notes \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 146,122
Senior notes \| Bank of America Corporation \| Bank of America Corporation, Senior Notes, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	3.39%
Long-term debt	$ 120,548	119,548
Senior notes \| Bank of America Corporation \| Bank of America Corporation, Senior Notes, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	2.09%
Long-term debt	$ 25,574	21,048
Senior notes \| Bank of America Corporation \| Minimum \| Bank of America Corporation, Senior Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	0.39%
Senior notes \| Bank of America Corporation \| Minimum \| Bank of America Corporation, Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	0.06%
Senior notes \| Bank of America Corporation \| Maximum \| Bank of America Corporation, Senior Notes, Fixed
Debt Instrument [Line Items]
Interest Rates	8.40%
Senior notes \| Bank of America Corporation \| Maximum \| Bank of America Corporation, Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	7.26%
Senior notes \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	$ 1,770
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Bank of America, N.A., Senior Notes, Fixed
Debt Instrument [Line Items]
Long-term debt	$ 0	4,686
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Bank of America, N.A., Senior Notes, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	2.96%
Long-term debt	$ 1,770	1,033
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Minimum \| Bank of America, N.A., Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	2.90%
Senior notes \| Subsidiaries \| Bank of America, N.A. \| Maximum \| Bank of America, N.A., Senior Notes, Floating
Debt Instrument [Line Items]
Interest Rates	2.96%
Senior structured notes \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 13,768	15,460
Subordinated notes \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 22,585
Subordinated notes \| Bank of America Corporation \| Bank of America Corporation, Subordinated Notes, Fixed
Debt Instrument [Line Items]
Weighted-Average Rate	4.91%
Long-term debt	$ 20,843	22,004
Subordinated notes \| Bank of America Corporation \| Bank of America Corporation, Subordinated Notes, Floating
Debt Instrument [Line Items]
Weighted-Average Rate	2.16%
Long-term debt	$ 1,742	4,058
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	1.14%
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	3.55%
Subordinated notes \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	$ 1,617
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	$ 1,617	1,679
Junior subordinated notes (related to trust preferred securities) \| Bank of America Corporation
Debt Instrument [Line Items]
Long-term debt	$ 733
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	$ 732	3,282
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	3.54%
Interest Rates	3.54%
Long-term debt	$ 1	553
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	$ 14,881
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	5.10%
Long-term debt	$ 130	146
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	2.49%
Long-term debt	$ 14,751	5,000
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	2.24%
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	2.80%
Securitizations and other BANA VIEs \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	$ 10,326	8,641
Other \| Subsidiaries
Debt Instrument [Line Items]
Long-term debt	0	25
Other \| Subsidiaries \| Bank of America, N.A.
Debt Instrument [Line Items]
Long-term debt	442	433
Structured liabilities \| Subsidiaries
Debt Instrument [Line Items]
Long-term debt	16,478	18,574
Nonbank VIEs \| Subsidiaries
Debt Instrument [Line Items]
Long-term debt	$ 618	$ 1,232