CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities of continuing operations
Net income before attribution of noncontrolling interests		$ 2,516	$ 4,735
Noncontrolling interests		(6)	25
Citigroup’s net income		2,522	4,710
Loss from discontinued operations, net of taxes		(18)	(2)
Income from continuing operations—excluding noncontrolling interests		2,540	4,712
Adjustments to reconcile net income to net cash provided by (used in) operating activities of continuing operations
Depreciation and amortization		927	931
Provisions for credit losses on loans and unfunded lending commitments		7,001	1,944
Realized gains from sales of investments		(432)	(130)
Impairment losses on investments		55	8
Change in trading account assets		(88,875)	(30,427)
Change in trading account liabilities		44,101	(7,913)
Change in brokerage receivables net of brokerage payables		(2,931)	(10,965)
Change in loans HFS		(1,393)	1,439
Change in other assets		(3,010)	(2,961)
Change in other liabilities		1,605	2,585
Other, net		14,879	3,161
Total adjustments		(28,073)	(42,328)
Net cash used in operating activities of continuing operations		(25,533)	(37,616)
Cash flows from investing activities of continuing operations
Change in securities borrowed and purchased under agreements to resell		(11,214)	6,189
Change in loans		(26,743)	(892)
Proceeds from sales and securitizations of loans		596	2,062
Purchases of investments		(108,658)	(69,673)
Proceeds from sales of investments		44,399	31,436
Proceeds from maturities of investments		29,203	47,363
Capital expenditures on premises and equipment and capitalized software		(460)	(518)
Proceeds from sales of premises and equipment, subsidiaries and affiliates and repossessed assets		2	38
Other, net		18	38
Net cash provided by (used in) investing activities of continuing operations		(72,857)	16,043
Cash flows from financing activities of continuing operations
Dividends paid		(1,365)	(1,320)
Issuance of preferred stock		1,500	0
Redemption of preferred stock		(1,500)	(480)
Treasury stock acquired		(2,925)	(4,055)
Stock tendered for payment of withholding taxes		(406)	(358)
Change in securities loaned and sold under agreements to repurchase		55,985	12,604
Issuance of long-term debt		28,927	15,552
Payments and redemptions of long-term debt		(13,081)	(6,568)
Change in deposits		114,321	17,186
Change in short-term borrowings		9,902	6,976
Net cash provided by (used in) financing activities of continuing operations		191,358	39,537
Effect of exchange rate changes on cash and due from banks		(967)	(176)
Change in cash and due from banks and deposits with banks		92,001	17,788
Cash, due from banks and deposits with banks at beginning of period		193,919	188,105
Cash, due from banks and deposits with banks at end of period		285,920	205,893
Cash and due from banks and deposits with banks at end of period		285,920	188,105
Supplemental disclosure of cash flow information for continuing operations
Cash paid during the period for income taxes		1,441	1,325
Cash paid during the period for interest		5,424	6,931
Non-cash investing activities
Transfers to loans HFS (Other assets) from loans	[1]	$ 224	$ 2,000

[1] Operating and finance lease right-of-use assets and lease liabilities represent non-cash investing and financing activities, respectively, and are not included in the non-cash investing activities presented here. See Note 22 to the Consolidated Financial Statements for more information and balances as of March 31, 2020.