Debt - Recourse Debt (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Debt Instrument [Line Items]
Borrowings under the revolving credit facilities and commercial paper program			$ 33,981	$ 4,214
Loss on extinguishment of debt	$ 0	$ (1)	$ (1)	(8)
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 and Other [Member] | Revolving Credit Facility due 2026 | Senior Notes [Member]
Debt Instrument [Line Items]
Issued senior notes		1,250		1,250
Corporate and Other [Member] | Revolving Credit Facility due 2027 | Senior Notes [Member]
Debt Instrument [Line Items]
Issued senior notes	1,500		1,500
Corporate and Other [Member] | 200 Million Term Loan due September 2024 [Domain] | Senior Notes [Member]
Debt Instrument [Line Items]
Issued senior notes		200		200
Corporate and Other [Member] | 200 Million Term Loan due September 2024 (Amount Borrowed) [Domain] | Senior Notes [Member]
Debt Instrument [Line Items]
Issued senior notes		$ 200		$ 200
Corporate Other And Other Eliminations [Member] | Commercial Paper
Debt Instrument [Line Items]
Commercial Paper Maximum Borrowings					$ 750
Commercial Paper Outstanding Borrowings	$ 604		$ 604
Commercial Paper Outstanding, Weighted Average Interest Rate	0.0616		0.0616
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%