CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities of continuing operations
Net income before attribution of noncontrolling interests		$ 3,832	$ 9,544
Noncontrolling interests		(6)	35
Citigroup’s net income		3,838	9,509
Loss from discontinued operations, net of taxes		(19)	15
Income from continuing operations—excluding noncontrolling interests		3,857	9,494
Adjustments to reconcile net income to net cash provided by (used in) operating activities of continuing operations
Depreciation and amortization		1,853	1,883
Provisions for credit losses on loans and unfunded lending commitments		14,810	4,042
Realized gains from sales of investments		(1,180)	(598)
Impairment losses on investments		124	13
Change in trading account assets		(86,203)	(50,776)
Change in trading account liabilities		29,370	(8,011)
Change in brokerage receivables net of brokerage payables		190	(9,309)
Change in loans HFS		(1,200)	1,029
Change in other assets		1,585	(5,442)
Change in other liabilities		2,620	6,462
Other, net		14,966	13,457
Total adjustments		(23,065)	(47,250)
Net cash used in operating activities of continuing operations		(19,208)	(37,756)
Cash flows from investing activities of continuing operations
Change in securities borrowed and purchased under agreements to resell		(31,595)	10,915
Change in loans		7,943	(7,803)
Proceeds from sales and securitizations of loans		826	2,249
Purchases of investments		(207,701)	(118,132)
Proceeds from sales of investments		86,191	63,595
Proceeds from maturities of investments		53,909	57,684
Capital expenditures on premises and equipment and capitalized software		(1,318)	(3,349)
Proceeds from sales of premises and equipment, subsidiaries and affiliates and repossessed assets		12	68
Other, net		44	71
Net cash provided by (used in) investing activities of continuing operations		(91,689)	5,298
Cash flows from financing activities of continuing operations
Dividends paid		(2,679)	(2,650)
Issuance of preferred stock		1,500	0
Redemption of preferred stock		(1,500)	(480)
Treasury stock acquired		(2,925)	(7,518)
Stock tendered for payment of withholding taxes		(407)	(359)
Change in securities loaned and sold under agreements to repurchase		49,383	3,365
Issuance of long-term debt		58,471	31,849
Payments and redemptions of long-term debt		(32,297)	(18,428)
Change in deposits		163,070	32,437
Change in short-term borrowings		(4,893)
Change in short-term borrowings			10,096
Net cash provided by financing activities of continuing operations		227,723	48,312
Effect of exchange rate changes on cash and due from banks		(972)	(716)
Change in cash and due from banks and deposits with banks		115,854	15,138
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		309,773	203,243
Cash and due from banks and deposits with banks at end of period		309,773	203,243
Supplemental disclosure of cash flow information for continuing operations
Cash paid during the period for income taxes		2,543	2,814
Cash paid during the period for interest		8,751	14,000
Non-cash investing activities
Transfers to loans HFS (Other assets) from loans	[1]	$ 1,036	$ 3,600

[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 June 30, 2020.