Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Non-interest revenues
Non-interest revenues		$ 12,032	$ 11,298
Interest income
Interest on loans		5,058	3,939
Interest and dividends on investment securities		25	30
Deposits with banks and other		692	447
Total interest income		5,775	4,416
Interest expense
Deposits		1,427	994
Long-term debt and other		579	439
Total interest expense		2,006	1,433
Net interest income		3,769	2,983
Total revenues net of interest expense		15,801	14,281
Provisions for credit losses
Total provisions for credit losses		1,269	1,055
Total revenues net of interest expense after provisions for credit losses		14,532	13,226
Expenses
Card Member rewards		3,774	3,766
Business development		1,392	1,393
Card Member services		1,171	983
Marketing		1,476	1,341
Salaries and employee benefits		2,098	2,014
Other, net		1,476	1,562
Total expenses		11,387	11,059
Pretax income		3,145	2,167
Income tax provision		708	351
Net income		$ 2,437	$ 1,816
Earnings per Common Share
Basic (in dollars per share)	[1]	$ 3.34	$ 2.41
Diluted (in dollars per share)	[1]	$ 3.33	$ 2.40
Average common shares outstanding for earnings per common share:
Basic (in shares)		721	743
Diluted (in shares)		722	744
Card Member Receivables
Provisions for credit losses
Total provisions for credit losses		$ 196	$ 222
Card Member Loans
Provisions for credit losses
Total provisions for credit losses		1,014	786
Other
Provisions for credit losses
Total provisions for credit losses		59	47
Discount revenue
Non-interest revenues
Non-interest revenues		8,380	7,947
Net card fees
Non-interest revenues
Non-interest revenues		1,974	1,713
Service fees and other revenue
Non-interest revenues
Non-interest revenues		1,292	1,218
Processed revenue
Non-interest revenues
Non-interest revenues		$ 386	$ 420

[1] Represents net income less (i) earnings allocated to participating share awards of $18 million and $14 million for the three months ended March 31, 2024 and 2023, respectively, and (ii) dividends on preferred shares of $14 million for both the three months ended March 31, 2024 and 2023.