Equity (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule of Net Income Attributable to Parent And Transfers To From Noncontrolling Interests [Text Block]

The following table summarizes the net income (loss) attributable to The AES Corporation and all transfers (to) from noncontrolling interests for the periods indicated (in millions):

December 31,	2023		2022		2021
Net income (loss) attributable to The AES Corporation	$	249	$	(546)	$	(409)
Transfers from noncontrolling interest:
Increase (decrease) in The AES Corporation's paid-in capital for sale of subsidiary shares	85		78		(7)
Increase (decrease) in The AES Corporation's paid-in-capital for purchase of subsidiary shares	24		(78)		(9)
Net transfers (to) from noncontrolling interest	109		—		(16)
Change from net income (loss) attributable to The AES Corporation and transfers (to) from noncontrolling interests	$	358	$	(546)	$	(425)

Components of Accumulated Other Comprehensive Income

The changes in AOCL by component, net of tax and noncontrolling interests, for the periods indicated were as follows (in millions):

	Foreign currency translation adjustment, net		Derivative gains (losses), net		Unfunded pension obligations, net		Total
Balance at December 31, 2021	$	(1,734)	$	(456)	$	(30)	$	(2,220)
Other comprehensive income (loss) before reclassifications	(37)		645		10		618
Amount reclassified to earnings	—		44		—		44
Other comprehensive income (loss)	(37)		689		10		662
Reclassification from NCI due to share sales and repurchases	(57)		(22)		(3)		(82)
Balance at December 31, 2022	$	(1,828)	$	211	$	(23)	$	(1,640)
Other comprehensive income (loss) before reclassifications	136		55		(3)		188
Amount reclassified to earnings	—		(52)		—		(52)
Other comprehensive income (loss)	136		3		(3)		136
Reclassification from NCI due to share sales	—		(10)		—		(10)
Balance at December 31, 2023	$	(1,692)	$	204	$	(26)	$	(1,514)

Reclassification out of Accumulated Other Comprehensive Income

Reclassifications out of AOCL are presented in the following table. Amounts for the periods indicated are in millions and those in parenthesis indicate debits to the Consolidated Statements of Operations.

Details About		December 31,
AOCL Components	Affected Line Item in the Consolidated Statements of Operations	2023		2022		2021
Foreign currency translation adjustments, net
	Gain on disposal and sale of business interests	$	—	$	—	$	(3)
	Net income attributable to The AES Corporation	$	—	$	—	$	(3)
Derivative gains (losses), net
	Non-regulated revenue	$	(8)	$	(1)	$	(1)
	Non-regulated cost of sales	(3)		(1)		1
	Interest expense	17		(58)		(85)
	Gain (loss) on disposal and sale of business interests	33		—		(362)
	Asset impairment expense	—		(16)		(13)
	Foreign currency transaction losses	(3)		2		(15)
	Income from continuing operations before taxes and equity in earnings of affiliates	36		(74)		(475)
	Income tax benefit (expense)	9		9		105
	Net equity in losses of affiliates	28		6		(17)
	Net income (loss)	73		(59)		(387)
	Less: Net loss (income) attributable to noncontrolling interests and redeemable stock of subsidiaries	(21)		15		133
	Net income (loss) attributable to The AES Corporation	$	52	$	(44)	$	(254)
Amortization of defined benefit pension actuarial losses, net
	Non-regulated cost of sales	$	—	$	(1)	$	(1)
	Other expense	—		(1)		(3)
	Income from continuing operations before taxes and equity in earnings of affiliates	—		(2)		(4)
	Income tax benefit (expense)	—		1		3
	Net income (loss)	—		(1)		(1)
	Less: Net income attributable to noncontrolling interests and redeemable stock of subsidiaries	—		1		—
	Net income (loss) attributable to The AES Corporation	$	—	$	—	$	(1)
Total reclassifications for the period, net of income tax and noncontrolling interests		$	52	$	(44)	$	(258)

Noncontrolling interest, increase from Sale of Parent equity

In 2023, 2022, and 2021, AES Clean Energy Development and AES Renewable Holdings, through multiple transactions, sold noncontrolling interests in project companies to tax equity investors, resulting in the following increases to NCI (in millions):

Business	2023		2022		2021
AES Clean Energy Development	$	1,039	$	230	$	—
AES Renewable Holdings	124		88		127