CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities of continuing operations
Net income before attribution of noncontrolling interests		$ 9,943	$ 11,189
Net income attributable to noncontrolling interests		117	122
Citigroup’s net income		9,826	11,067
Income (loss) from discontinued operations, net of taxes		(2)	0
Income from continuing operations—excluding noncontrolling interests		9,828	11,067
Adjustments to reconcile net income to net cash provided by (used in) operating activities of continuing operations
Net loss (gain) on sale of significant disposals	[1]	0	(1,462)
Depreciation and amortization		3,292	3,388
Deferred income taxes		(1,574)	(979)
Provisions for credit losses and for benefits and claims	[2]	7,516	5,639
Realized gains from sales of investments		(210)	(151)
Impairment losses on investments and other assets		92	227
Change in trading account assets		(46,456)	(72,397)
Change in trading account liabilities		(12,811)	(6,023)
Change in brokerage receivables net of brokerage payables		7,909	(6,144)
Change in loans held-for-sale (HFS)		(3,211)	2,117
Change in other assets		(4,327)	(7,134)
Change in other liabilities	[3]	(7,663)	(3,715)
Other, net		3,150	6,817
Total adjustments		(54,293)	(79,817)
Net cash provided by (used in) operating activities of continuing operations		(44,465)	(68,750)
Cash flows from investing activities of continuing operations
Change in securities borrowed and purchased under agreements to resell		59,772	30,342
Change in loans		(10,257)	(17,733)
Purchase of portfolio of consumer loans		(700)	0
Proceeds from sales and securitizations of loans		3,368	3,397
Net payment due to transfer of net liabilities associated with divestitures	[1]	0	(1,166)
Available-for-sale (AFS) debt securities
Purchases of investments		(181,245)	(171,154)
Proceeds from sales of investments		40,839	35,580
Proceeds from maturities of investments		164,025	149,049
Held-to-maturity (HTM) debt securities
Purchases of investments		(11,878)	(734)
Proceeds from maturities of investments		17,340	6,955
Capital expenditures on premises and equipment and capitalized software		(4,812)	(4,818)
Proceeds from sales of premises and equipment and repossessed assets		201	16
Other, net		1,848	273
Net cash provided by (used in) investing activities of continuing operations		78,501	30,007
Cash flows from financing activities of continuing operations
Dividends paid		(3,885)	(3,899)
Issuance of preferred stock		3,786	2,739
Redemption of preferred stock		(5,050)	(750)
Treasury stock acquired		(1,506)	(1,429)
Stock tendered for payment of withholding taxes		(448)	(324)
Change in securities loaned and sold under agreements to repurchase		270	54,326
Issuance of long-term debt		78,163	52,465
Payments and redemptions of long-term debt		(67,529)	(50,296)
Change in deposits		1,318	(92,448)
Change in short-term borrowings		3,883	(5,430)
Net cash provided by (used in) financing activities of continuing operations		9,002	(45,046)
Effect of exchange rate changes on cash, due from banks and deposits with banks		(876)	(4,249)
Change in cash, due from banks and deposits with banks		42,162	(88,038)
Cash, due from banks and deposits with banks at beginning of period		260,932	342,025
Cash, due from banks and deposits with banks at end of period		303,094	253,987
Cash and due from banks (including segregated cash and other deposits)		25,266	26,548
Deposits with banks, net of allowance		277,828	227,439
Cash, due from banks and deposits with banks at end of period		303,094	253,987
Supplemental disclosure of cash flow information for continuing operations
Cash paid during the period for income taxes(3)	[4]	4,464	4,071
Cash paid during the period for interest		67,152	51,873
Non-cash investing activities
Transfer of investment securities from HTM to AFS	[1],[5],[6]	0	3,324
Transfers to loans HFS (Other assets) from loans HFI	[1],[5],[6]	3,861	6,031
Transfers from loans HFS (Other assets) to loans HFI	[1],[5],[6]	0	322
Non-cash financing activities
Non-cash redemption of preferred stock and increase in short-term borrowings	[1],[6]	$ 0	$ 1,500

[1] See Note 2.

[2] In accordance with ASC 326, which requires the provision for credit losses on AFS debt securities to be included in revenue. The Total provisions for credit losses and for benefits and claims excludes the provision for credit losses on AFS debt securities, which is disclosed separately above.

[3] Includes balances related to the FDIC special assessment and restructuring charges (see Note 9).

[4] Includes net cash paid (received) for purchases and sales of nonrefundable, transferable tax credits.

[5] In January 2023, Citi adopted ASU 2022-01. Upon adoption, Citi transferred $3.3 billion of mortgage-backed securities from HTM classification to AFS classification as allowed under the ASU. At the time of transfer, the securities were in an unrealized gain position of $0.1 billion, which was recorded in AOCI upon transfer.

[6] 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 26 for more information and balances as of September 30, 2024.