CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Interest revenue	$ 18,170	$ 15,914	$ 52,052	$ 45,729
Interest expense	6,368	4,379	17,413	11,981
Net interest revenue	11,802	11,535	34,639	33,748
Commissions and fees	2,803	3,241	8,944	9,552
Principal transactions	2,566	2,248	8,006	7,985
Administration and other fiduciary fees	911	929	2,750	2,672
Realized gains on sales of investments, net	69	213	341	626
Impairment losses on investments
Gross impairment losses	(70)	(15)	(113)	(47)
Net impairment losses recognized in earnings	(70)	(15)	(113)	(47)
Other revenue	308	268	1,163	404
Total non-interest revenues	6,587	6,884	21,091	21,192
Total revenues, net of interest expense	18,389	18,419	55,730	54,940
Provisions for credit losses and for benefits and claims
Provision for loan losses	1,906	2,146	5,504	5,487
Policyholder benefits and claims	26	28	73	81
Provision (release) for unfunded lending commitments	42	(175)	66	(190)
Total provisions for credit losses and for benefits and claims	1,974	1,999	5,643	5,378
Operating expenses
Compensation and benefits	5,319	5,304	16,578	16,301
Premises and equipment	565	608	1,728	1,832
Technology/communication	1,806	1,764	5,361	5,122
Advertising and marketing	378	417	1,170	1,222
Other operating	2,243	2,324	7,111	7,423
Total operating expenses	10,311	10,417	31,948	31,900
Income from continuing operations before income taxes	6,104	6,003	18,139	17,662
Provision for income taxes	1,471	1,866	4,356	5,524
Income from continuing operations	4,633	4,137	13,783	12,138
Discontinued operations
Loss from discontinued operations	(8)	(9)	(17)	(4)
Benefit for income taxes	0	(4)	(17)	(2)
Loss from discontinued operations, net of taxes	(8)	(5)	0	(2)
Net income before attribution of noncontrolling interests	4,625	4,132	13,783	12,136
Noncontrolling interests	3	(1)	51	41
Citigroup’s net income	$ 4,622	$ 4,133	$ 13,732	$ 12,095
Basic earnings per share
Income from continuing operations (in dollars per share)	$ 1.74	$ 1.42	$ 5.04	$ 4.05
Income from discontinued operations, net of taxes (in dollars per share)	0.00	0.00	0.00	0.00
Net income (in dollars per share)	$ 1.73	$ 1.42	$ 5.04	$ 4.05
Weighted average common shares outstanding (in shares)	2,479.8	2,683.6	2,524.1	2,729.3
Diluted earnings per share
Income from continuing operations (in dollars per share)	$ 1.74	$ 1.42	$ 5.04	$ 4.05
Income (loss) from discontinued operations, net of taxes (in dollars per share)	0.00	0.00	0.00	0.00
Net income (in dollars per share)	$ 1.73	$ 1.42	$ 5.04	$ 4.05
Adjusted weighted average common shares outstanding (in shares)	2,481.4	2,683.7	2,525.5	2,729.5