Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 171	$ (29)
Foreign currency translation activity:
Foreign currency translation adjustments, net of $0 income tax for all periods	132	(69)
Total foreign currency translation adjustment, net of income tax	132	(69)
Derivative activity:
Change in derivative fair value, net of income tax expense of $73, and $67, respectively	272	243
Reclassification to earnings, net of income tax expense of $10, and $7, respectively	18	23
Total change in fair value of derivatives	290	266
Pension activity:
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	0	(1)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	1	0
Total pension adjustments	(1)	(1)
OTHER COMPREHENSIVE INCOME	423	198
COMPREHENSIVE INCOME	594	169
Less: Comprehensive income attributable to noncontrolling interests and redeemable stock of subsidiaries	(82)	(151)
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE AES CORPORATION	$ 512	$ 18