CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Interest revenue		$ 32,647	$ 15,630	$ 62,042	$ 28,781
Interest expense		18,747	3,666	34,794	5,946
Net interest income		13,900	11,964	27,248	22,835
Commissions and fees		2,132	2,452	4,498	5,020
Principal transactions		2,528	4,525	6,467	9,115
Administration and other fiduciary fees		989	1,023	1,885	1,989
Realized gains on sales of investments, net		49	(58)	121	22
Impairment losses on investments:
Impairment losses on investments and other assets		(71)	(96)	(157)	(186)
Provision (releases) for credit losses on AFS debt securities	[1]	1	2	0	2
Net impairment losses recognized in earnings		(70)	(94)	(157)	(184)
Other revenue		(92)	(174)	821	27
Total non-interest revenues		5,536	7,674	13,635	15,989
Total revenues, net of interest expense		19,436	19,638	40,883	38,824
Provisions for credit losses and for benefits and claims
Provision for credit losses on loans		1,761	1,384	3,498	1,644
Provision (release) for credit losses on HTM debt securities		(4)	20	(21)	18
Provision for credit losses on other assets		149	7	574	3
Policyholder benefits and claims		14	22	38	49
Provision (release) for credit losses on unfunded lending commitments		(96)	(159)	(290)	315
Total provisions for credit losses and for benefits and claims	[2]	1,824	1,274	3,799	2,029
Operating expenses
Compensation and benefits		7,388	6,472	14,926	13,292
Premises and equipment		595	619	1,193	1,162
Technology/communication		2,309	2,068	4,436	4,084
Advertising and marketing		361	414	692	725
Other operating		2,917	2,820	5,612	6,295
Total operating expenses		13,570	12,393	26,859	25,558
Income from continuing operations before income taxes		4,042	5,971	10,225	11,237
Provision for income taxes		1,090	1,182	2,621	2,123
Income from continuing operations		2,952	4,789	7,604	9,114
Discontinued operations
Income (loss) from discontinued operations		(1)	(262)	(2)	(264)
Benefit for income taxes		0	(41)	0	(41)
Income (loss) from discontinued operations, net of taxes		(1)	(221)	(2)	(223)
Net income before attribution to noncontrolling interests		2,951	4,568	7,602	8,891
Noncontrolling interests		36	21	81	38
Citigroup’s net income		$ 2,915	$ 4,547	$ 7,521	$ 8,853
Basic earnings per share
Income from continuing operations (in dollars per share)	[3]	$ 1.34	$ 2.32	$ 3.55	$ 4.34
Income from discontinued operations, net of taxes (in dollars per share)	[3]	0	(0.11)	0	(0.11)
Net income (in dollars per share)	[3]	$ 1.34	$ 2.20	$ 3.54	$ 4.23
Weighted average common shares outstanding (in shares)		1,942.8	1,941.5	1,943.2	1,956.6
Diluted earnings per share
Income from continuing operations (in dollars per share)	[3]	$ 1.33	$ 2.30	$ 3.52	$ 4.32
Income (loss) from discontinued operations, net of taxes (in dollars per share)	[3]	0	(0.11)	0	(0.11)
Net income (in dollars per share)	[3]	$ 1.33	$ 2.19	$ 3.52	$ 4.20
Adjusted weighted average diluted common shares outstanding (in shares)		1,968.6	1,958.1	1,966.3	1,973.2

[1] In accordance with ASC 326, which requires the provision for credit losses on AFS securities to be included in revenue.

[2] This total excludes the provision for credit losses on AFS securities, which is disclosed separately above.

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