CONSOLIDATED STATEMENT OF INCOME (USD $) In Millions, except Per Share data	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Revenues
Interest revenue	$ 18,145		$ 19,311		$ 54,886		$ 60,450
Interest expense	6,031		6,183		18,522		18,954
Net interest revenue	12,114		13,128		36,364		41,496
Commissions and fees	3,043		3,248		9,968		10,122
Principal transactions	2,103		2,085		7,886		8,563
Administration and other fiduciary fees	945		976		3,110		2,908
Realized gains (losses) on sales of investments, net	765		962		1,928		2,023
Other-than-temporary impairment losses on investments
Gross impairment losses	(148)		(230)		(2,071)		(1,237)
Less: Impairments recognized in OCI	2		10		47		56
Net impairment losses recognized in earnings	(146)		(220)		(2,024)		(1,181)
Insurance premiums	658		655		2,014		2,039
Other revenue	1,349		(96)		1,933		2,260
Total non-interest revenues	8,717		7,610		24,815		26,734
Total revenues, net of interest expense	20,831		20,738		61,179		68,230
Provisions for credit losses and for benefits and claims
Provision for loan losses	3,049		5,666		9,129		20,555
Policyholder benefits and claims	259		227		738		727
Provision (release) for unfunded lending commitments	43		26		55		(80)
Total provisions for credit losses and for benefits and claims	3,351		5,919		9,922		21,202
Operating expenses
Compensation and benefits	6,223		6,117		19,301		18,240
Premises and equipment	860		838		2,517		2,492
Technology/communication	1,306		1,257		3,795		3,651
Advertising and marketing	635		458		1,659		1,127
Other operating	3,436		2,850		10,450		9,394
Total operating expenses	12,460		11,520		37,722		34,904
Income from continuing operations before income taxes	5,020		3,299		13,535		12,124
Provision for income taxes	1,278		698		3,430		2,546
Income from continuing operations	3,742		2,601		10,105		9,578
Discontinued operations
Income (loss) from discontinued operations	(5)		8		38
Gain (loss) on sale	16		(784)		146		(690)
Provision (benefit) for income taxes	10		(402)		72		(524)
Income (loss) from discontinued operations, net of taxes	1		(374)		112		(166)
Net income before attribution of noncontrolling interests	3,743		2,227		10,217		9,412
Net income (loss) attributable to noncontrolling interests	(28)		59		106		119
Citigroup's net income	$ 3,771		$ 2,168		$ 10,111		$ 9,293
Basic earnings per share
Income from continuing operations (in dollars per share)	$ 1.27	[1],[2]	$ 0.85	[1],[2]	$ 3.38	[1],[2]	$ 3.25	[1],[2]
Income (loss) from discontinued operations, net of taxes (in dollars per share)			$ (0.11)	[1],[2]	$ 0.04	[1],[2]	$ (0.04)	[1],[2]
Net income (in dollars per share)	$ 1.27	[1],[2]	$ 0.74	[1],[2]	$ 3.41	[1],[2]	$ 3.21	[1],[2]
Weighted average common shares outstanding (in shares)	2,910.8		2,887.8		2,907.9		2,872.4
Diluted earnings per share
Income from continuing operations (in dollars per share)	$ 1.23	[1],[2]	$ 0.83	[1],[2]	$ 3.28	[1],[2]	$ 3.15	[1],[2]
Income from discontinued operations, net of taxes (in dollars per share)			$ (0.11)	[1],[2]	$ 0.04	[1],[2]	$ (0.04)	[1],[2]
Net income (in dollars per share)	$ 1.23	[1],[2]	$ 0.72	[1],[2]	$ 3.32	[1],[2]	$ 3.11	[1],[2]
Adjusted weighted average common shares outstanding (in shares)	2,998.6	[2]	2,977.8	[2]	2,997.4	[2]	2,962.2	[2]

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

[2] Earnings per share and adjusted weighted average common shares outstanding for all periods reflect Citigroup's 1-for-10 reverse stock split, which was effective May 6, 2011.