CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Interest revenue		$ 13,314	$ 19,177	$ 45,042	$ 57,965
Interest expense		2,821	7,536	11,977	22,615
Net interest revenue		10,493	11,641	33,065	35,350
Commissions and fees		2,753	2,906	8,707	8,713
Principal transactions		2,508	2,802	11,926	7,480
Administration and other fiduciary fees		892	880	2,565	2,588
Realized gains on sales of investments, net		304	361	1,484	959
Impairment losses on investments:
Impairment losses on investments and other assets		(30)	(14)	(154)	(27)
Provision for credit losses on AFS debt securities	[1]	4	0	(4)	0
Net impairment losses recognized in earnings		(26)	(14)	(158)	(27)
Other revenue (loss)		378	(2)	210	845
Total non-interest revenues		6,809	6,933	24,734	20,558
Total revenues, net of interest expense		17,302	18,574	57,799	55,908
Provisions for credit losses and for benefits and claims
Provision for credit losses on loans		1,809	2,062	15,949	6,095
Provision for credit losses on held-to-maturity (HTM) debt securities		(16)	0	21	0
Provision for credit losses on other assets		(13)	0	31	0
Policyholder benefits and claims		58	17	97	48
Provision for credit losses on unfunded lending commitments		424	9	1,094	18
Total provisions for credit losses and for benefits and claims		2,262	2,088	17,192	6,161
Operating expenses
Compensation and benefits		5,595	5,329	16,873	16,368
Premises and equipment		575	580	1,702	1,713
Technology/communication		1,891	1,783	5,355	5,227
Advertising and marketing		238	378	865	1,171
Other operating		2,665	2,394	7,178	7,069
Total operating expenses		10,964	10,464	31,973	31,548
Income (loss) from continuing operations before income taxes		4,076	6,022	8,634	18,199
Provision for income taxes		815	1,079	1,522	3,727
Income from continuing operations		3,261	4,943	7,112	14,472
Discontinued operations
Loss from discontinued operations		(7)	(15)	(26)	(27)
Benefit for income taxes		0	0	0	(27)
Income (loss) from discontinued operations, net of taxes		(7)	(15)	(26)	0
Net income before attribution of noncontrolling interests		3,254	4,928	7,086	14,472
Noncontrolling interests		24	15	18	50
Citigroup’s net income		$ 3,230	$ 4,913	$ 7,068	$ 14,422
Basic earnings per share
Income from continuing operations (in dollars per share)	[2]	$ 1.41	$ 2.09	$ 2.98	$ 5.92
Income from discontinued operations, net of taxes (in dollars per share)	[2]	0	(0.01)	(0.01)	0
Net income (in dollars per share)	[2]	$ 1.41	$ 2.09	$ 2.97	$ 5.92
Weighted average common shares outstanding (in shares)		2,081.8	2,220.8	2,087.1	2,282.4
Diluted earnings per share
Income from continuing operations (in dollars per share)	[2]	$ 1.40	$ 2.08	$ 2.97	$ 5.89
Income (loss) from discontinued operations, net of taxes (in dollars per share)	[2]	0	(0.01)	(0.01)	0
Net income (in dollars per share)	[2]	$ 1.40	$ 2.07	$ 2.96	$ 5.89
Adjusted weighted average common shares outstanding (in shares)		2,094.3	2,237.1	2,100.1	2,298.2

[1] In accordance with ASC 326.

[2] Due to rounding, earnings per share on continuing operations and discontinued operations may not sum to earnings per share on net income.