Consolidated Income Statement - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest Income
Loans	$ 1,996	$ 2,480
Investment securities	421	582
Other	66	138
Total interest income	2,483	3,200
Interest Expense
Deposits	40	375
Borrowed funds	95	314
Total interest expense	135	689
Net interest income	2,348	2,511
Noninterest Income
Total noninterest income	1,872	1,825
Total revenue	4,220	4,336
Provision For (Recapture of) Credit Losses	(551)	914
Noninterest Expense
Personnel	1,477	1,369
Occupancy	215	207
Equipment	293	287
Marketing	45	58
Other	544	622
Total noninterest expense	2,574	2,543
Income from continuing operations before income taxes and noncontrolling interests	2,197	879
Income taxes from continuing operations	371	120
Net income from continuing operations	1,826	759
Income from discontinued operations before taxes		181
Income taxes from discontinued operations		25
Net income from discontinued operations		156
Net income	1,826	915
Less: Net income attributable to noncontrolling interests	10	7
Preferred stock dividends	57	63
Preferred stock discount accretion and redemptions	1	1
Net income attributable to common shareholders	$ 1,758	$ 844
Earnings Per Share, Basic [Abstract]
Basic earnings from continuing operations (in dollars per share)	$ 4.11	$ 1.59
Basic earnings per common share from discontinued operations (in dollars per share)		0.37
Basic earnings per common share (in dollars per share)	4.11	1.96
Earnings Per Share, Diluted [Abstract]
Diluted earnings from continuing operations (in dollars per share)	4.10	1.59
Diluted earnings per common share from discontinued operations (in dollars per share)		0.36
Diluted earnings per common share (in dollars per share)	$ 4.10	$ 1.95
Average Common Shares Outstanding
Basic (in shares)	426	429
Diluted (in shares)	426	430
Asset management
Noninterest Income
Total noninterest income	$ 226	$ 201
Consumer services
Noninterest Income
Total noninterest income	384	377
Corporate services
Noninterest Income
Total noninterest income	555	526
Residential mortgage
Noninterest Income
Total noninterest income	105	210
Service charges on deposits
Noninterest Income
Total noninterest income	119	168
Other
Noninterest Income
Total noninterest income	$ 483	$ 343