CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues
Interest revenue		$ 15,201	$ 14,356	$ 29,624	$ 28,523
Interest expense		4,036	3,120	7,602	6,060
Net interest revenue		11,165	11,236	22,022	22,463
Commissions and fees		2,937	2,725	5,696	5,188
Principal transactions		2,562	1,816	5,584	3,656
Administration and other fiduciary fees		1,003	878	1,896	1,689
Realized gains on sales of investments, net		221	200	413	386
Other-than-temporary impairment losses on investments
Gross impairment losses		(20)	(118)	(32)	(583)
Less: Impairments recognized in AOCI		0	0	0	0
Net impairment losses recognized in earnings		(20)	(118)	(32)	(583)
Insurance premiums		156	217	325	481
Other revenue		(123)	594	117	1,823
Total non-interest revenues		6,736	6,312	13,999	12,640
Total revenues, net of interest expense		17,901	17,548	36,021	35,103
Provisions for credit losses and for benefits and claims
Provision for loan losses		1,666	1,390	3,341	3,276
Policyholder benefits and claims		23	49	53	137
Provision (release) for unfunded lending commitments		28	(30)	(15)	41
Total provisions for credit losses and for benefits and claims		1,717	1,409	3,379	3,454
Operating expenses
Compensation and benefits		5,463	5,229	10,997	10,785
Premises and equipment		604	642	1,224	1,293
Technology/communication		1,690	1,657	3,349	3,306
Advertising and marketing		432	433	805	823
Other operating		2,317	2,408	4,608	4,685
Total operating expenses		10,506	10,369	20,983	20,892
Income from continuing operations before income taxes		5,678	5,770	11,659	10,757
Provision for income taxes		1,795	1,723	3,658	3,202
Income from continuing operations		3,883	4,047	8,001	7,555
Discontinued operations
Income (loss) from discontinued operations		33	(36)	5	(39)
Provision (benefit) for income taxes		12	(13)	2	(14)
Income (loss) from discontinued operations, net of taxes		21	(23)	3	(25)
Net income before attribution of noncontrolling interests		3,904	4,024	8,004	7,530
Noncontrolling interests		32	26	42	31
Citigroup’s net income		$ 3,872	$ 3,998	$ 7,962	$ 7,499
Basic earnings per share
Income from continuing operations (in dollars per share)	[1]	$ 1.27	$ 1.25	$ 2.63	$ 2.36
Loss from discontinued operations, net of taxes (in dollars per share)	[1]	0.01	(0.01)	0.00	(0.01)
Net income (in dollars per share)	[1]	$ 1.28	$ 1.24	$ 2.63	$ 2.35
Weighted average common shares outstanding (in shares)		2,739.1	2,915.8	2,752.2	2,929.4
Diluted earnings per share
Income from continuing operations (in dollars per share)	[1]	$ 1.27	$ 1.25	$ 2.63	$ 2.36
Income (loss) from discontinued operations, net of taxes (in dollars per share)	[1]	0.01	(0.01)	0.00	(0.01)
Net income (in dollars per share)	[1]	$ 1.28	$ 1.24	$ 2.63	$ 2.35
Adjusted weighted average common shares outstanding (in shares)		2,739.2	2,915.9	2,752.3	2,929.5

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