Debt - Recourse Debt (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023
Debt Instrument [Line Items]
Borrowings under the revolving credit facilities and commercial paper program			$ 16,716	$ 3,100
Loss on extinguishment of debt	$ 0	$ (1)	$ (1)	$ (7)
Debt defaults at risk of causing cross default	0		0
Bridge Loan due Dec 2023 | Bridge Loan | AES Clean Energy Development
Debt Instrument [Line Items]
Issued senior notes	$ 500		$ 500
Corporate Other And Other Eliminations [Member] | Commercial Paper
Debt Instrument [Line Items]
Commercial Paper Maximum Borrowings					$ 750
Commercial Paper Outstanding Borrowings	$ 517		$ 517
Commercial Paper Outstanding, Weighted Average Interest Rate	0.0606		0.0606
Corporate Other And Other Eliminations [Member] | 900 Million Senior Notes Due 2028 | Senior Notes [Member]
Debt Instrument [Line Items]
Issued senior notes	$ 900		$ 900
Debt Instrument, Interest Rate, Stated Percentage	5.45%		5.45%