CONSOLIDATED STATEMENT OF INCOME (USD $) In Millions, except Per Share data	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Revenues
Interest revenue	$ 18,586		$ 20,356		$ 36,741		$ 41,139
Interest expense	6,438		6,429		12,491		12,771
Net interest revenue	12,148		13,927		24,250		28,368
Commissions and fees	3,557		3,229		6,925		6,874
Principal transactions	2,616		2,362		5,783		6,478
Administration and other fiduciary fees	1,068		910		2,165		1,932
Realized gains (losses) on sales of investments, net	583		523		1,163		1,061
Other-than-temporary impairment losses on investments
Gross impairment losses	(190)		(457)		(1,923)		(1,007)
Less: Impairments recognized in OCI	19		3		45		46
Net impairment losses recognized in earnings	(171)		(454)		(1,878)		(961)
Insurance premiums	684		636		1,356		1,384
Other revenue	137		938		584		2,356
Total non-interest revenues	8,474		8,144		16,098		19,124
Total revenues, net of interest expense	20,622		22,071		40,348		47,492
Provisions for credit losses and for benefits and claims
Provision for loan losses	3,181		6,523		6,080		14,889
Policyholder benefits and claims	219		213		479		500
Provision (release) for unfunded lending commitments	(13)		(71)		12		(106)
Total provisions for credit losses and for benefits and claims	3,387		6,665		6,571		15,283
Operating expenses
Compensation and benefits	6,669		5,961		13,078		12,123
Premises and equipment	832		824		1,657		1,654
Technology/communication	1,275		1,195		2,489		2,394
Advertising and marketing	627		367		1,024		669
Other operating	3,533		3,519		7,014		6,544
Total operating expenses	12,936		11,866		25,262		23,384
Income from continuing operations before income taxes	4,299		3,540		8,515		8,825
Provision for income taxes	967		812		2,152		1,848
Income from continuing operations	3,332		2,728		6,363		6,977
Discontinued operations
Income (loss) from discontinued operations	(17)		(3)		43		(8)
Gain on sale	126				130		94
Provision (benefit) for income taxes	38				62		(122)
Income (loss) from discontinued operations, net of taxes	71		(3)		111		208
Net income before attribution of noncontrolling interests	3,403		2,725		6,474		7,185
Net income attributable to noncontrolling interests	62		28		134		60
Citigroup's net income	$ 3,341		$ 2,697		$ 6,340		$ 7,125
Basic earnings per share
Income from continuing operations (in dollars per share)	$ 1.10	[1],[2]	$ 0.93	[1],[2]	$ 2.11	[1],[2]	$ 2.40	[1],[2]
Income from discontinued operations, net of taxes (in dollars per share)	$ 0.02	[1],[2]			$ 0.04	[1],[2]	$ 0.07	[1],[2]
Net income (in dollars per share)	$ 1.12	[1],[2]	$ 0.93	[1],[2]	$ 2.14	[1],[2]	$ 2.47	[1],[2]
Weighted average common shares outstanding (in shares)	2,908.6		2,884.9		2,906.5		2,864.7
Diluted earnings per share
Income from continuing operations (in dollars per share)	$ 1.07	[1],[2]	$ 0.90	[1],[2]	$ 2.05	[1],[2]	$ 2.32	[1],[2]
Income from discontinued operations, net of taxes (in dollars per share)	$ 0.02	[1],[2]			$ 0.04	[1],[2]	$ 0.07	[1],[2]
Net income (in dollars per share)	$ 1.09	[1],[2]	$ 0.90	[1],[2]	$ 2.08	[1],[2]	$ 2.39	[1],[2]
Adjusted weighted average common shares outstanding (in shares)	2,997.0	[2]	2,975.3	[2]	2,996.8	[2]	2,954.4	[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.