Asset Impairment Expense (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2022	Sep. 30, 2021
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 50	$ 29		$ 533	$ 1,374
Other Asset Impairment Charges	(50)	(29)		(533)	(1,374)
AES Panama
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use	0	11	$ 30	0	11
Other Subsidiaries [Member]
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use	(1)	18		14	17
AES Puerto Rico
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use	0	0		0	475
Assets Carrying Amount Disclosure Nonrecurring		73			73
AES Puerto Rico | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges					(475)
Mountain View Power Partners
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use				67
Assets Carrying Amount Disclosure Nonrecurring	11			11
Mountain View Power Partners | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges	0	0		0	(67)
Angamos [Member]
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use				155
Assets Carrying Amount Disclosure Nonrecurring	86			86
Angamos [Member] | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges	0	0		0	(155)
Ventanas [Domain]
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use				649
Assets Carrying Amount Disclosure Nonrecurring	12			12
Ventanas [Domain] | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges					(67)
Ventanas 3 & 4 | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges	0	0		0	(649)
Maritza
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use				468
Assets Carrying Amount Disclosure Nonrecurring	452			452
Maritza | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges	0	0		(468)	0
Jordan (IPP1 & IPP4) | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges	$ (51)	$ 0		$ (51)	$ 0