Noninterest Income - Summary of Other Noninterest Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 1,503	$ 1,314	$ 1,057
Net gains (losses) on revaluation of foreign currency instruments, net of foreign exchange forward contracts (1)	3	0	(1)
Gains from conversion of convertible debt options	0	0	30
Gains on total return swaps	40	0	0
Other service revenue	64	61	30
Total other noninterest income	166	128	98
Fund management fees
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 59	$ 67	$ 39