Service Fees and Other Revenue and Other Expenses (Details) - Service fees and other revenue - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Non Interest Revenues [Line Items]
Service fees	$ 1,444	$ 1,385	$ 1,280
Foreign currency-related revenue	1,202	624	517
Delinquency fees	809	637	772
Travel commissions and fees	507	244	102
Other fees and revenues	559	426	31
Total Service fees and other revenue	$ 4,521	$ 3,316	$ 2,702