CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Citigroup’s net income		$ 3,479	$ 4,644	$ 12,332	$ 18,779
Add: Citigroup’s other comprehensive income
Net change in unrealized gains and losses on debt securities, net of taxes	[1]	(580)	(279)	(6,358)	(2,538)
Net change in debt valuation adjustment (DVA), net of taxes	[1],[2]	872	(82)	3,632	(186)
Net change in cash flow hedges, net of taxes	[1]	(763)	(201)	(2,970)	(930)
Benefit plans liability adjustment, net of taxes	[1]	37	135	119	936
Net change in foreign currency translation adjustment, net of taxes and hedges	[1]	(2,399)	(1,312)	(4,043)	(2,063)
Net change in excluded component of fair value hedges, net of taxes	[1]	30	8	87	(12)
Citigroup’s total other comprehensive income (loss)	[1]	(2,803)	(1,731)	(9,533)	(4,793)
Total Citigroup comprehensive income (loss)		676	2,913	2,799	13,986
Add: Other comprehensive income (loss) attributable to noncontrolling interests		(44)	(31)	(126)	(71)
Add: Net income (loss) attributable to noncontrolling interests		30	24	68	67
Total comprehensive income		$ 662	$ 2,906	$ 2,741	$ 13,982

[1] See Note 17.

[2] See Note 20.