Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosures [Line Items]
Effective Income Tax Rate Reconciliation, Percent	26.00%	24.00%	26.00%	26.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
Income Tax Expense (Benefit)	$ 109	$ 145	$ 179	$ 186
AES Argentina [Member]
Income Tax Disclosures [Line Items]
Income Tax Expense (Benefit)	$ 15		$ 31	$ 19