Consolidated Income Statement - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Interest Income
Loans	$ 2,678	$ 2,452	$ 7,952	$ 7,025
Investment securities	617	584	1,866	1,653
Other	208	187	610	545
Total interest income	3,503	3,223	10,428	9,223
Interest Expense
Deposits	531	336	1,518	810
Borrowed funds	468	421	1,433	1,173
Total interest expense	999	757	2,951	1,983
Net interest income	2,504	2,466	7,477	7,240
Noninterest Income
Total noninterest income	1,989	1,891	5,741	5,552
Other	342	301	1,017	880
Total revenue	4,493	4,357	13,218	12,792
Provision for credit losses	183	88	552	260
Noninterest Expense
Personnel	1,400	1,413	4,179	4,123
Occupancy	206	195	633	616
Equipment	291	264	862	818
Marketing	76	71	224	201
Other	650	665	1,914	1,961
Total noninterest expense	2,623	2,608	7,812	7,719
Income before income taxes and noncontrolling interests	1,687	1,661	4,854	4,813
Income taxes	295	261	817	818
Net income	1,392	1,400	4,037	3,995
Less: Net income attributable to noncontrolling interests	13	11	35	31
Preferred stock dividends	63	63	181	181
Preferred stock discount accretion and redemptions	1	1	3	3
Net income attributable to common shareholders	$ 1,315	$ 1,325	$ 3,818	$ 3,780
Earnings Per Common Share
Basic (in dollars per share)	$ 2.95	$ 2.84	$ 8.45	$ 8.03
Diluted (in dollars per share)	$ 2.94	$ 2.82	$ 8.42	$ 7.96
Average Common Shares Outstanding
Basic (in shares)	444	465	450	469
Diluted (in shares)	445	467	451	472
Asset management [Member]
Noninterest Income
Total noninterest income	$ 464	$ 486	$ 1,346	$ 1,397
Consumer services [Member]
Noninterest Income
Total noninterest income	402	377	1,165	1,115
Corporate services [Member]
Noninterest Income
Total noninterest income	469	465	1,415	1,381
Residential mortgage [Member]
Noninterest Income
Total noninterest income	134	76	281	257
Service charges on deposits [Member]
Noninterest Income
Total noninterest income	$ 178	$ 186	$ 517	$ 522