Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2021		Sep. 30, 2020		Sep. 30, 2021		Sep. 30, 2020
Non-interest revenues
Non-interest revenues	$ 8,934		$ 6,877		$ 24,593		$ 20,648
Interest income
Interest on loans	2,256		2,266		6,494		7,543
Interest and dividends on investment securities	18		33		66		98
Deposits with banks and other	27		25		73		155
Total interest income	2,301		2,324		6,633		7,796
Interest expense
Deposits	109		202		356		788
Long-term debt and other	198		248		635		920
Total interest expense	307		450		991		1,708
Net interest income	1,994		1,874		5,642		6,088
Total revenues net of interest expense	10,928		8,751		30,235		26,736
Provisions for credit losses
Provisions	(191)		665		(1,472)		4,841
Total revenues net of interest expense after provisions for credit losses	11,119		8,086		31,707		21,895
Expenses
Marketing and business development	2,355		1,822		6,340		4,889
Card Member rewards	3,020		2,004		7,975		5,745
Card Member services	579		259		1,328		923
Salaries and employee benefits	1,497		1,408		4,586		4,152
Other, net	1,218		1,229		3,095		3,748
Total expenses	8,669		6,722		23,324		19,457
Pretax income	2,450		1,364		8,383		2,438
Income tax provision	624		291		2,042		741
Net income	$ 1,826		$ 1,073		$ 6,341		$ 1,697
Earnings per Common Share
Basic (in dollars per share)	$ 2.27	[1]	$ 1.31	[1]	$ 7.84	[2]	$ 2.01	[2]
Diluted (in dollars per share)	$ 2.27	[1]	$ 1.30	[1]	$ 7.82	[2]	$ 2.01	[2]
Average common shares outstanding for earnings per common share:
Basic (in shares)	786		804		796		805
Diluted (in shares)	787		805		797		806
Card Member Receivables
Provisions for credit losses
Provisions	$ (12)		$ 117		$ (147)		$ 1,069
Card Member Loans
Provisions for credit losses
Provisions	(177)		571		(1,146)		3,416
Other Loans
Provisions for credit losses
Provisions	(2)		(23)		(179)		356
Discount revenue
Non-interest revenues
Non-interest revenues	6,676		4,999		18,245		14,852
Net card fees
Non-interest revenues
Non-interest revenues	1,312		1,191		3,851		3,442
Other fees and commissions
Non-interest revenues
Non-interest revenues	632		478		1,712		1,647
Other
Non-interest revenues
Non-interest revenues	$ 314		$ 209		$ 785		$ 707

[1] Represents net income less (i) earnings allocated to participating share awards of $14 million and $7 million for the three months ended September 30, 2021 and 2020, respectively, (ii) dividends on preferred shares of $20 million and $16 million for the three months ended September 30, 2021 and 2020, respectively, and (iii) an equity-related adjustment of $9 million related to the redemption of preferred shares for the three months ended September 30, 2021.

[2] Represents net income less (i) earnings allocated to participating share awards of $45 million and $10 million for the nine months ended September 30, 2021 and 2020, respectively, (ii) dividends on preferred shares of $49 million and $65 million for the nine months ended September 30, 2021 and 2020, respectively, and (iii) an equity-related adjustment of $9 million related to the redemption of preferred shares for the nine months ended September 30, 2021.