Interim Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income:
Loans	$ 570	$ 430
Investment securities:
Taxable	511	225
Non-taxable	35	21
Federal funds sold, securities purchased under agreements to resell and other short-term investment securities	6	3
Total interest income	1,122	679
Interest expense:
Deposits	22	10
Borrowings	18	9
Total interest expense	40	19
Net interest income	1,082	660
Provision for credit losses	11	19
Net interest income after provision for credit losses	1,071	641
Noninterest income:
Gains on investment securities, net	85	167
Gains on equity warrant assets, net	63	222
Client investment fees	35	20
Wealth management and trust fees	22	0
Foreign exchange fees	73	57
Credit card fees	37	28
Deposit service charges	30	25
Lending related fees	19	16
Letters of credit and standby letters of credit fees	14	13
Investment banking revenue	93	142
Commissions	25	24
Other	21	30
Total noninterest income	517	744
Noninterest expense:
Compensation and benefits	584	445
Professional services	106	81
Premises and equipment	58	33
Net occupancy	23	18
Business development and travel	14	4
FDIC and state assessments	16	10
Merger-related charges	16	0
Other	56	45
Total noninterest expense	873	636
Income before income tax expense	715	749
Income tax expense	182	187
Net income before noncontrolling interests	533	562
Net income attributable to noncontrolling interests	(18)	(25)
Preferred stock dividends	(43)	(5)
Net income available to common stockholders	$ 472	$ 532
Earnings per common share—basic (dollars per share)	$ 8.03	$ 10.20
Earnings per common share—diluted (dollars per share)	$ 7.92	$ 10.03