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Gross amount of debt extinguished.

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Debt - Non-Recourse Debt Narrative (Details) $ in Millions	3 Months Ended			6 Months Ended		24 Months Ended
Debt - Non-Recourse Debt Narrative (Details) $ in Millions	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 14, 2022 USD ($)	Dec. 13, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt				$ 3,798	$ 1,457
Loss on extinguishment of debt	$ (9)	$ 0		(10)	(1)
Restricted Net Assets	1,100			1,100
Restricted Cash And Debt Service Reserves	182			182		$ 341
Restricted Cash Held for Insurance	118			118		90
Materiality Threshold for Sub Default to Trigger Cross Default	200			200
Clean Energy \| Nonrecourse Debt [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt				996
AES Hispanola Holdings BV \| Nonrecourse Debt [Member] \| 350 Million Credit Agreement Due 2028
Debt Instrument [Line Items]
Loss on extinguishment of debt					1
AES Hispanola Holdings BV \| Nonrecourse Debt [Member] \| 350 Million Credit Agreement Due 2028 \| BID
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt			$ 300
Issued senior notes		$ 350			$ 350
Debt Instrument, Interest Rate, Stated Percentage		8.85%			8.85%
IPL Subsidiary [Member] \| Nonrecourse Debt [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt				1,050
AES Clean Energy Subsidiary \| Revolving Credit Facilities, Joint and Several
Debt Instrument [Line Items]
Line of Credit Facility, Increase (Decrease), Net				1,200
Credit Facility, Commitments Used	3,500			3,500
Colon \| Nonrecourse Debt [Member] \| 350 Million Credit Agreement Due 2028 \| BID
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt			$ 50
AES Clean Energy and sPower (co-issuers) \| Senior Notes [Member] \| 6.55% Senior Notes Due 2047
Debt Instrument [Line Items]
Issued senior notes							$ 647	$ 647
Debt Instrument, Interest Rate, Stated Percentage								6.55%
AES Clean Energy Development \| Master Indenture Notes
Debt Instrument [Line Items]
Line of Credit Facility, Increase (Decrease), Net				302
AES Clean Energy Development \| Nonrecourse Debt [Member] \| Bellefield Financing Agreement due 2026
Debt Instrument [Line Items]
Credit Facility, Commitments Used	1,300			1,300
Credit facility, commitments						2,400
AES Clean Energy Development \| Senior Notes [Member] \| Master Indenture Notes
Debt Instrument [Line Items]
Issued senior notes	554			554
AES Clean Energy and sPower (co-borrowers) \| Revolving Credit Facilities, Joint and Several
Debt Instrument [Line Items]
Issued senior notes	3,800			3,800					$ 1,200
Line of Credit Facility, Increase (Decrease), Net						$ 2,600
Credit Facility, Commitments Used	3,700			3,700
AES Clean Energy and sPower (co-borrowers) \| Senior Notes [Member] \| Master Indenture Notes
Debt Instrument [Line Items]
Issued senior notes	1,400			1,400
AES Clean Energy and sPower (co-borrowers) \| Senior Notes [Member] \| 6.81% Senior Notes Due 2047
Debt Instrument [Line Items]
Issued senior notes	$ 491			$ 491
Debt Instrument, Interest Rate, Stated Percentage	6.81%			6.81%
AES Puerto Rico \| Nonrecourse Debt [Member] \| PR Series A Bond due 2026
Debt Instrument [Line Items]
Issued senior notes	$ 156			$ 156
Debt Instrument, Interest Rate, Stated Percentage	6.625%			6.625%
Preferred Shares Conversion Option				0.999
AES Puerto Rico \| Nonrecourse Debt [Member] \| PR Senior Secured Bonds due 2028
Debt Instrument [Line Items]
Issued senior notes	$ 112			$ 112
Debt Instrument, Interest Rate, Stated Percentage	6.625%			6.625%
AES Puerto Rico \| Nonrecourse Debt [Member] \| Preferred Shares in AES Guayama Holdings
Debt Instrument [Line Items]
Issued senior notes	$ 44			$ 44
Debt Instrument, Interest Rate, Stated Percentage	3.125%			3.125%
AES Puerto Rico \| Nonrecourse Debt [Member] \| PR Bridge Loan due 2026
Debt Instrument [Line Items]
Issued senior notes	$ 23			$ 23
Debt Instrument, Basis Spread on Variable Rate				4.00%
AES Indiana \| Nonrecourse Debt [Member] \| AES Indiana FM Bonds due 2054
Debt Instrument [Line Items]
Issued senior notes	$ 650			$ 650
Debt Instrument, Interest Rate, Stated Percentage	5.70%			5.70%
AES Indiana \| Nonrecourse Debt [Member] \| IPALCO Notes due 2034
Debt Instrument [Line Items]
Issued senior notes	$ 400			$ 400
Debt Instrument, Interest Rate, Stated Percentage	5.75%			5.75%
AES Indiana \| Nonrecourse Debt [Member] \| IPL Term Loan Due 2024
Debt Instrument [Line Items]
Repayments of Debt				$ 300
AES Indiana \| Nonrecourse Debt [Member] \| AES Indiana Credit Agreement due 2027
Debt Instrument [Line Items]
Repayments of Debt				$ 350
AES Indiana \| Nonrecourse Debt [Member] \| IPALCO Senior Notes due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.70%			3.70%
Repayments of Debt				$ 405
AES Andes \| Nonrecourse Debt [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt				1,060
AES Andes \| Nonrecourse Debt [Member] \| Andes Senior Notes due 2029
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt				$ 500
Debt Instrument, Interest Rate, Stated Percentage	6.30%			6.30%
AES Andes \| Nonrecourse Debt [Member] \| Andes Senior Unsecured Notes due 2079
Debt Instrument [Line Items]
Redeemed notes				$ 100
AES Andes \| Nonrecourse Debt [Member] \| Andes Senior Unsecured Notes due 2025
Debt Instrument [Line Items]
Redeemed notes				43
AES Andes \| Nonrecourse Debt [Member] \| Andes Junior Notes due 2055
Debt Instrument [Line Items]
Proceeds From Issuance Of Nonrecourse Debt				$ 530
Debt Instrument, Interest Rate, Stated Percentage	8.15%			8.15%
AES Andes \| Nonrecourse Debt [Member] \| 7.125% Senior notes due 2079
Debt Instrument [Line Items]
Loss on extinguishment of debt				$ (8)
AES Andes \| Senior Notes [Member] \| 6.35% Senior notes due 2079
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.35%			6.35%
AES Andes \| Senior Notes [Member] \| 5.00% Senior notes due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%			5.00%
AES Andes \| Senior Notes [Member] \| 7.125% Senior notes due 2079
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.125%			7.125%