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

Business Segment Information - Results of Business Segments and All Other (Details)

Business Segment Information - Results of Business Segments and All Other (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net interest income	$ 49,486	$ 48,772	$ 46,164
Noninterest income	42,353	42,858	41,887
Total revenue, net of interest expense	91,839	91,630	88,051
Provision for credit losses	3,590	3,282	3,396
Noninterest expense	54,900	53,154	54,517
Income before income taxes	33,349	35,194	30,138
Income tax expense	5,919	7,047	11,906
Net income	27,430	28,147	18,232
Year-end total assets	2,434,079	2,354,507
Operating Segments
Segment Reporting Information [Line Items]
Total revenue, net of interest expense	94,221	93,255	88,990
Net income	28,808	28,403	21,034
Year-end total assets	2,209,613	2,159,041
Operating Segments \| Consumer Banking
Segment Reporting Information [Line Items]
Net interest income	28,158	27,025	24,203
Noninterest income	10,429	10,593	10,101
Total revenue, net of interest expense	38,587	37,618	34,304
Provision for credit losses	3,772	3,664	3,525
Noninterest expense	17,618	17,672	17,847
Income before income taxes	17,197	16,282	12,932
Income tax expense	4,213	4,150	4,897
Net income	12,984	12,132	8,035
Year-end total assets	804,019	768,881
Operating Segments \| Global Wealth & Investment Management
Segment Reporting Information [Line Items]
Net interest income	6,504	6,265	6,152
Noninterest income	13,033	13,188	12,447
Total revenue, net of interest expense	19,537	19,453	18,599
Provision for credit losses	82	86	56
Noninterest expense	13,823	14,015	13,770
Income before income taxes	5,632	5,352	4,773
Income tax expense	1,380	1,364	1,807
Net income	4,252	3,988	2,966
Year-end total assets	299,756	305,907
Operating Segments \| Global Banking
Segment Reporting Information [Line Items]
Net interest income	10,675	10,993	10,615
Noninterest income	9,808	9,008	9,510
Total revenue, net of interest expense	20,483	20,001	20,125
Provision for credit losses	414	8	212
Noninterest expense	9,017	8,745	8,811
Income before income taxes	11,052	11,248	11,102
Income tax expense	2,984	2,923	4,204
Net income	8,068	8,325	6,898
Year-end total assets	464,032	442,330
Operating Segments \| Global Markets
Segment Reporting Information [Line Items]
Net interest income	3,915	3,857	4,264
Noninterest income	11,699	12,326	11,698
Total revenue, net of interest expense	15,614	16,183	15,962
Provision for credit losses	(9)	0	164
Noninterest expense	10,722	10,835	10,997
Income before income taxes	4,901	5,348	4,801
Income tax expense	1,397	1,390	1,666
Net income	3,504	3,958	3,135
Year-end total assets	641,806	641,923
All Other
Segment Reporting Information [Line Items]
Net interest income	234	632	930
Noninterest income	(2,616)	(2,257)	(1,869)
Total revenue, net of interest expense	(2,382)	(1,625)	(939)
Provision for credit losses	(669)	(476)	(561)
Noninterest expense	3,720	1,887	3,092
Income before income taxes	(5,433)	(3,036)	(3,470)
Income tax expense	(4,055)	(2,780)	(668)
Net income	(1,378)	(256)	$ (2,802)
Year-end total assets	$ 224,466	$ 195,466