Debt - Recourse Debt (Details) $ in Millions	3 Months Ended
Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Debt Instrument [Line Items]
Borrowings under the revolving credit facilities	$ 1,741	$ 1,415
Loss on extinguishment of debt	$ (1)	(1)
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
Recourse Debt \| Revolving Credit Facility due 2027
Debt Instrument [Line Items]
Recourse Debt Total	$ 110
Recourse Debt Total	110
Corporate and Other [Member] \| Revolving Credit Facility due 2027 \| Senior Notes [Member]
Debt Instrument [Line Items]
Issued senior notes		1,500
Corporate Other And Other Eliminations [Member] \| Commercial Paper
Debt Instrument [Line Items]
Commercial Paper Maximum Borrowings		$ 750
Commercial Paper Outstanding Borrowings	$ 719
Commercial Paper Outstanding, Weighted Average Interest Rate	0.0597
Proceeds from Issuance of Commercial Paper	$ 10,100
Repayments of Commercial Paper	9,300
Commercial Paper, Average Outstanding	$ 486

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