CONSOLIDATED STATEMENT OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Revenues
Interest revenue	$ 17,034		$ 18,586		$ 34,571		$ 36,741
Interest expense	5,441		6,438		11,031		12,491
Net interest revenue	11,593		12,148		23,540		24,250
Commissions and fees	3,079		3,557		6,217		6,925
Principal transactions	1,640		2,616		3,571		5,783
Administration and other fiduciary fees	1,037		1,068		2,018		2,165
Realized gains (losses) on sales of investments, net	273		583		2,198		1,163
Other-than-temporary impairment losses on investments
Gross impairment losses	(172)	[1]	(190)	[1]	(1,499)	[1]	(1,923)	[1]
Less: Impairments recognized in AOCI	44		19		66		45
Net impairment losses recognized in earnings	(128)		(171)		(1,433)		(1,878)
Insurance premiums	621		684		1,256		1,356
Other revenue	527		137		681		584
Total non-interest revenues	7,049		8,474		14,508		16,098
Total revenues, net of interest expense	18,642		20,622		38,048		40,348
Provisions for credit losses and for benefits and claims
Provision for loan losses	2,585		3,181		5,413		6,080
Policyholder benefits and claims	214		219		443		479
Provision (release) for unfunded lending commitments	7		(13)		(31)		12
Total provisions for credit losses and for benefits and claims	2,806		3,387		5,825		6,571
Operating expenses
Compensation and benefits	6,127		6,669		12,512		13,078
Premises and equipment	806		832		1,605		1,657
Technology/communication	1,481		1,275		2,863		2,489
Advertising and marketing	591		627		1,094		1,024
Other operating	3,129		3,533		6,379		7,014
Total operating expenses	12,134		12,936		24,453		25,262
Income from continuing operations before income taxes	3,702		4,299		7,770		8,515
Provision for income taxes	715		967		1,721		2,152
Income from continuing operations	2,987		3,332		6,049		6,363
Discontinued operations
Income (loss) from discontinued operations			(17)		(3)		43
Gain (loss) on sale			126		(1)		130
Provision for income taxes	1		38		2		62
Income (loss) from discontinued operations, net of taxes	(1)		71		(6)		111
Net income before attribution of noncontrolling interests	2,986		3,403		6,043		6,474
Net income attributable to noncontrolling interests	40		62		166		134
Citigroup's net income	$ 2,946		$ 3,341		$ 5,877		$ 6,340
Basic earnings per share
Income from continuing operations (in dollars per share)	$ 0.98	[2],[3]	$ 1.10	[2],[3]	$ 1.96	[2],[3]	$ 2.11	[2],[3]
Income from discontinued operations, net of taxes (in dollars per share)			$ 0.02	[2],[3]			$ 0.04	[2],[3]
Net income (in dollars per share)	$ 0.98	[2],[3]	$ 1.12	[2],[3]	$ 1.96	[2],[3]	$ 2.14	[2],[3]
Weighted average common shares outstanding (in shares)	2,926.6		2,908.6		2,926.4		2,906.5
Diluted earnings per share
Income from continuing operations (in dollars per share)	$ 0.95	[2],[3]	$ 1.07	[2],[3]	$ 1.91	[2],[3]	$ 2.05	[2],[3]
Income from discontinued operations, net of taxes (in dollars per share)			$ 0.02	[2],[3]			$ 0.04	[2],[3]
Net income (in dollars per share)	$ 0.95	[2],[3]	$ 1.09	[2],[3]	$ 1.91	[2],[3]	$ 2.08	[2],[3]
Adjusted weighted average common shares outstanding (in shares)	3,015.0	[3]	2,997.0	[3]	3,014.8	[3]	2,996.8	[3]

[1] The six months ended June 30, 2012 included the recognition of a $1,181 million impairment charge related to Citi's investment in Akbank. Additionally, Other revenue for the second quarter of 2012 included the recognition of a $424 million loss related to the sale of Citi's 10.1% stake in Akbank. See Note 11 to the Consolidated Financial Statements.

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

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