Debt - Recourse Debt (Details) $ in Millions	3 Months Ended
Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Debt Instrument [Line Items]
Borrowings under the revolving credit facilities and commercial paper program	$ 2,335	$ 1,193
Loss on extinguishment of debt	$ (1)	$ (6)
Debt defaults at risk of causing cross default	0
Bridge Loan due Dec 2023 \| Bridge Loan \| AES Clean Energy Development
Debt Instrument [Line Items]
Issued senior notes	$ 500
Corporate Other And Other Eliminations [Member] \| Commercial Paper
Debt Instrument [Line Items]
Commercial Paper Maximum Borrowings	750
Commercial Paper Outstanding Borrowings	$ 350
Commercial Paper Outstanding, Weighted Average Interest Rate	0.0562

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