CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities of continuing operations
Net income before attribution of noncontrolling interests	$ 3,988	$ 3,898
Net income attributable to noncontrolling interests	45	90
Citigroup's net income	3,943	3,808
Income (loss) from discontinued operations, net of taxes	37	(66)
Gain on sale, net of taxes		33
Income from continuing operations-excluding noncontrolling interests	3,906	3,841
Adjustments to reconcile net income to net cash provided by operating activities of continuing operations
Depreciation and amortization	843	807
Provision for credit losses	1,766	2,309
Realized gains from sales of investments	(128)	(450)
Net impairment losses recognized in earnings	201	261
Change in trading account assets	7,748	12,608
Change in trading account liabilities	15,278	4,677
Change in federal funds sold and securities borrowed or purchased under agreements to resell	(6,361)	(9,115)
Change in federal funds purchased and securities loaned or sold under agreements to repurchase	(12,836)	10,817
Change in brokerage receivables net of brokerage payables	(1,110)	(459)
Change in loans held-for-sale	445	(2,699)
Change in other assets	(857)	5,421
Change in other liabilities	2,523	721
Other, net	(1,574)	(3,718)
Total adjustments	5,938	21,180
Net cash provided by operating activities of continuing operations	9,844	25,021
Cash flows from investing activities of continuing operations
Change in deposits with banks	(2,015)	(41,093)
Change in loans	163	1,205
Proceeds from sales and securitizations of loans	651	2,351
Purchases of investments	(57,602)	(57,410)
Proceeds from sales of investments	33,555	41,288
Proceeds from maturities of investments	21,523	25,987
Capital expenditures on premises and equipment and capitalized software	(868)	(734)
Proceeds from sales of premises and equipment, subsidiaries and affiliates, and repossessed assets	102	140
Net cash used in investing activities of continuing operations	(4,491)	(28,266)
Cash flows from financing activities of continuing operations
Dividends paid	(154)	(34)
Issuance of preferred stock	480	575
Treasury stock acquired	(364)
Stock tendered for payment of withholding taxes	(498)	(444)
Issuance of long-term debt	10,547	9,273
Payments and redemptions of long-term debt	(9,671)	(10,198)
Change in deposits	(2,010)	3,202
Change in short-term borrowings	(41)	(3,834)
Net cash used in financing activities of continuing operations	(1,711)	(1,460)
Effect of exchange rate changes on cash and cash equivalents	(147)	(596)
Discontinued operations
Net cash used in discontinued operations		(2)
Change in cash and due from banks	3,495	(5,303)
Cash and due from banks at beginning of period	29,885	36,453
Cash and due from banks at end of period	33,380	31,150
Supplemental disclosure of cash flow information for continuing operations
Cash paid during the year for income taxes	1,317	1,127
Cash paid during the year for interest	3,000	3,755
Non-cash investing activities
Transfers to loans held-for-sale from loans	1,500	4,700
Transfers to OREO and other repossessed assets	$ 63	$ 68