Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022		Jun. 30, 2021
Non-interest revenues
Non-interest revenues	$ 11,035		$ 8,425		$ 20,571		$ 15,659
Interest income
Interest on loans	2,707		2,094		5,180		4,238
Interest and dividends on investment securities	22		24		35		48
Deposits with banks and other	70		22		104		46
Total interest income	2,799		2,140		5,319		4,332
Interest expense
Deposits	187		113		309		247
Long-term debt and other	252		209		451		437
Total interest expense	439		322		760		684
Net interest income	2,360		1,818		4,559		3,648
Total revenues net of interest expense	13,395		10,243		25,130		19,307
Provisions for credit losses
Total provisions for credit losses	410		(606)		377		(1,281)
Total revenues net of interest expense after provisions for credit losses	12,985		10,849		24,753		20,588
Expenses
Card Member rewards	3,591		2,712		6,702		4,955
Business development	1,404		889		2,447		1,691
Card Member services	678		432		1,304		749
Marketing	1,502		1,330		2,726		2,294
Salaries and employee benefits	1,816		1,539		3,470		3,089
Other, net	1,451		1,007		2,849		1,877
Total expenses	10,442		7,909		19,498		14,655
Pretax income	2,543		2,940		5,255		5,933
Income tax provision	579		660		1,192		1,418
Net income	$ 1,964		$ 2,280		$ 4,063		$ 4,515
Earnings per Common Share
Basic (in dollars per share)	$ 2.57	[1]	$ 2.81	[1]	$ 5.30	[2]	$ 5.55	[2]
Diluted (in dollars per share)	$ 2.57	[1]	$ 2.80	[1]	$ 5.30	[2]	$ 5.54	[2]
Average common shares outstanding for earnings per common share:
Basic (in shares)	752		801		755		802
Diluted (in shares)	753		802		756		803
Card Member Receivables
Provisions for credit losses
Total provisions for credit losses	$ 138		$ (125)		$ 218		$ (135)
Card Member Loans
Provisions for credit losses
Total provisions for credit losses	272		(396)		161		(969)
Other
Provisions for credit losses
Total provisions for credit losses	0		(85)		(2)		(177)
Discount revenue
Non-interest revenues
Non-interest revenues	7,873		6,044		14,708		11,045
Net card fees
Non-interest revenues
Non-interest revenues	1,481		1,286		2,904		2,539
Service fees and other revenue
Non-interest revenues
Non-interest revenues	1,265		705		2,171		1,343
Processed revenue
Non-interest revenues
Non-interest revenues	$ 416		$ 390		$ 788		$ 732

[1] Represents net income less (i) earnings allocated to participating share awards of $15 million and $16 million for the three months ended June 30, 2022 and 2021, respectively, and (ii) dividends on preferred shares of $15 million for both the three months ended June 30, 2022 and 2021.

[2] Represents net income less (i) earnings allocated to participating share awards of $31 million for both the six months ended June 30, 2022 and 2021, and (ii) dividends on preferred shares of $29 million for both the six months ended June 30, 2022 and 2021.