Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 229	$ 233
Foreign currency translation activity:
Foreign currency translation adjustments, net of $0 income tax for all periods	(152)	(1)
Total foreign currency translation adjustments	(152)	(1)
Derivative activity:
Change in derivative fair value, net of income tax benefit of $133 and $18, respectively	(448)	(68)
Reclassification to earnings, net of income tax expense of $8 and $2, respectively	32	10
Total change in fair value of derivatives	(416)	(58)
Pension activity:
Reclassification to earnings, net of $0 income tax for all periods	0	1
Total pension adjustments	0	1
OTHER COMPREHENSIVE LOSS	(568)	(58)
COMPREHENSIVE INCOME (LOSS)	(339)	175
Less: Comprehensive (income) loss attributable to noncontrolling interests and redeemable stock of subsidiaries	21	(53)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION	$ (318)	$ 122