Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2019		Sep. 30, 2018		Sep. 30, 2019		Sep. 30, 2018
Non-interest revenues
Other	$ 362		$ 334		$ 1,087		$ 1,060
Total non-interest revenues	8,786		8,183		25,855		24,233
Interest income
Interest on loans	2,885		2,554		8,374		7,267
Interest and dividends on investment securities	53		35		138		83
Deposits with banks and other	142		149		487		390
Total interest income	3,080		2,738		8,999		7,740
Interest expense
Deposits	401		340		1,206		910
Long-term debt and other	476		437		1,457		1,199
Total interest expense	877		777		2,663		2,109
Net interest income	2,203		1,961		6,336		5,631
Total revenues net of interest expense	10,989		10,144		32,191		29,864
Provisions for losses
Charge card	238		214		715		701
Card Member loans provisions	604		560		1,732		1,587
Other	37		43		102		110
Total provisions for losses	879		817		2,549		2,398
Total revenues net of interest expense after provisions for losses	10,110		9,327		29,642		27,466
Expenses
Marketing and business development	1,818		1,642		5,164		4,650
Card Member rewards	2,614		2,400		7,717		7,180
Card Member services	558		457		1,671		1,282
Salaries and employee benefits	1,499		1,350		4,288		3,956
Other, net	1,355		1,360		4,359		4,107
Total expenses	7,844		7,209		23,199		21,175
Pretax income	2,266		2,118		6,443		6,291
Income tax provision	511		464		1,377		1,380
Net income	$ 1,755		$ 1,654		$ 5,066		$ 4,911
Earnings per Common Share
Basic (in dollars per share)	$ 2.09	[1]	$ 1.89	[1]	$ 5.97	[2]	$ 5.60	[2]
Diluted (in dollars per share)	$ 2.08	[1]	$ 1.88	[1]	$ 5.95	[2]	$ 5.59	[2]
Average common shares outstanding for earnings per common share:
Basic (in shares)	825		858		833		859
Diluted (in shares)	827		860		835		861
Discount Revenue
Non-interest revenues
Revenues and fees	$ 6,566		$ 6,181		$ 19,338		$ 18,264
Net Card Fees
Non-interest revenues
Revenues and fees	1,033		870		2,965		2,544
Other Fees and Commissions
Non-interest revenues
Revenues and fees	$ 825		$ 798		$ 2,465		$ 2,365

[1] Represents net income less (i) earnings allocated to participating share awards of $11 million and $13 million for the three months ended September 30, 2019 and 2018, respectively, and (ii) dividends on preferred shares of $21 million and $20 million for the three months ended September 30, 2019 and 2018, respectively.

[2] Represents net income less (i) earnings allocated to participating share awards of $35 million and $38 million for the nine months ended September 30, 2019 and 2018, respectively, and (ii) dividends on preferred shares of $61 million for both the nine months ended September 30, 2019 and 2018.