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

Accumulated Other Comprehensive Income (Loss) - Change in Accumulated OCI (Details)

Accumulated Other Comprehensive Income (Loss) - Change in Accumulated OCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jan. 01, 2019	Jan. 01, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 267,010	$ 266,224	$ 265,325	$ 267,146
Accounting change related to certain tax effects				0
Cumulative effect of new accounting principle					$ 165	$ 25
Net change	2,565	(1,055)	4,734	(5,038)
Ending Balance	271,408	264,216	271,408	264,216
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(10,042)	(12,278)	(12,211)	(7,082)
Accounting change related to certain tax effects				(1,270)
Cumulative effect of new accounting principle						57
Net change			4,734	(5,038)
Ending Balance	(7,477)	(13,333)	(7,477)	(13,333)
Debt Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(5,552)	(1,206)
Accounting change related to certain tax effects				(393)
Cumulative effect of new accounting principle						0
Net change			4,693	(4,994)
Ending Balance	(859)	(6,593)	(859)	(6,593)
Debit Valuation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(531)	(1,060)
Accounting change related to certain tax effects				(220)
Cumulative effect of new accounting principle						0
Net change			(501)	452
Ending Balance	(1,032)	(828)	(1,032)	(828)
Derivatives
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(1,016)	(831)
Accounting change related to certain tax effects				(189)
Cumulative effect of new accounting principle						57
Net change			533	(367)
Ending Balance	(483)	(1,330)	(483)	(1,330)
Employee Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(4,304)	(3,192)
Accounting change related to certain tax effects				(707)
Cumulative effect of new accounting principle						0
Net change			57	60
Ending Balance	(4,247)	(3,839)	(4,247)	(3,839)
Foreign Currency
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(808)	(793)
Accounting change related to certain tax effects				239
Cumulative effect of new accounting principle						$ 0
Net change			(48)	(189)
Ending Balance	$ (856)	$ (743)	$ (856)	$ (743)