CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net income before attribution of noncontrolling interests	$ 3,057	$ 3,071
Other comprehensive income (loss)
Net change in unrealized gains and losses on investment securities, net of taxes	(774)	740
Net change in cash flow hedges, net of taxes	220	152
Net change in foreign currency translation adjustment, net of taxes and hedges	1,697	1,364
Pension liability adjustment, net of taxes	(90)	37
Other comprehensive income before attribution of noncontrolling interest	1,053	2,293
Other comprehensive income attributable to noncontrolling interests
Net change in unrealized gains and losses on investment securities, net of tax	9	(2)
Net change in FX translation adjustment, net of tax	55	31
Total other comprehensive income attributable to noncontrolling interests	64	29
Total comprehensive income	4,174	5,393
Total comprehensive income attributable to noncontrolling interests	190	101
Citigroup's comprehensive income	$ 3,984	$ 5,292