Consolidated Income Statement - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest Income
Loans	$ 2,672	$ 2,345	$ 5,274	$ 4,573
Investment securities	629	557	1,249	1,069
Other	196	180	402	358
Total interest income	3,497	3,082	6,925	6,000
Interest Expense
Deposits	515	261	987	474
Borrowed funds	484	408	965	752
Total interest expense	999	669	1,952	1,226
Net interest income	2,498	2,413	4,973	4,774
Noninterest Income
Total noninterest income	1,941	1,911	3,752	3,661
Other	367	334	675	579
Total revenue	4,439	4,324	8,725	8,435
Provision for credit losses	180	80	369	172
Noninterest Expense
Personnel	1,365	1,356	2,779	2,710
Occupancy	212	203	427	421
Equipment	298	281	571	554
Marketing	83	75	148	130
Other	653	669	1,264	1,296
Total noninterest expense	2,611	2,584	5,189	5,111
Income before income taxes and noncontrolling interests	1,648	1,660	3,167	3,152
Income taxes	274	304	522	557
Net income	1,374	1,356	2,645	2,595
Less: Net income attributable to noncontrolling interests	12	10	22	20
Preferred stock dividends	55	55	118	118
Preferred stock discount accretion and redemptions	1	1	2	2
Net income attributable to common shareholders	$ 1,306	$ 1,290	$ 2,503	$ 2,455
Earnings Per Common Share
Basic (in dollars per share)	$ 2.89	$ 2.74	$ 5.51	$ 5.19
Diluted (in dollars per share)	$ 2.88	$ 2.72	$ 5.49	$ 5.15
Average Common Shares Outstanding
Basic (in shares)	451	469	453	471
Diluted (in shares)	452	472	454	474
Asset management [Member]
Noninterest Income
Total noninterest income	$ 445	$ 456	$ 882	$ 911
Consumer services [Member]
Noninterest Income
Total noninterest income	392	381	763	738
Corporate services [Member]
Noninterest Income
Total noninterest income	484	487	946	916
Residential mortgage [Member]
Noninterest Income
Total noninterest income	82	84	147	181
Service charges on deposits [Member]
Noninterest Income
Total noninterest income	$ 171	$ 169	$ 339	$ 336