CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Citigroup’s net income		$ 1,316	$ 4,799	$ 3,838	$ 9,509
Add: Citigroup’s other comprehensive income
Net change in unrealized gains and losses on debt securities, net of taxes	[1]	837	703	3,965	1,838
Net change in debt valuation adjustment (DVA), net of taxes	[1],[2]	(2,232)	3	908	(568)
Net change in cash flow hedges, net of taxes	[1]	74	517	1,971	803
Benefit plans liability adjustment, net of taxes	[1]	(77)	(253)	(363)	(317)
Net change in foreign currency translation adjustment, net of taxes and hedges	[1]	561	91	(3,548)	149
Net change in excluded component of fair value hedges, net of taxes	[1]	13	44	40	62
Citigroup’s total other comprehensive income	[1]	(824)	1,105	2,973	1,967
Citigroup’s total comprehensive income		492	5,904	6,811	11,476
Add: Other comprehensive income (loss) attributable to noncontrolling interests		39	20	(12)	7
Add: Net income attributable to noncontrolling interests		0	10	(6)	35
Total comprehensive income		$ 531	$ 5,934	$ 6,793	$ 11,518

[1] See Note 17 to the Consolidated Financial Statements.

[2] See Note 20 to the Consolidated Financial Statements.