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

Derivatives - Other Risk Management Derivatives (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest rate lock commitments
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives not designated as hedging	$ 8	$ 76	$ 36	$ 192
Mortgage banking income \| Interest rate risk on mortgage activities
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives not designated as hedging	(45)	1	(206)	32
Other income \| Credit risk on loans
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives not designated as hedging	(2)	0	(7)	(3)
Other income \| Interest rate and foreign currency risk on ALM activities
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives not designated as hedging	$ 487	$ 26	$ 1,050	$ (26)