Leases Lessor (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Lessor Disclosure [Abstract]
Operating Lease, Lease Income	$ 134	$ 143
Variable Lease, Income	(7)	(14)
Lease Income	127	129
Sales-type and Direct Financing Leases, Lease Receivable, Fiscal Year Maturity [Abstract]
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, after Year Five	289
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received	391
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Five	21
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Four	21
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Three	21
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Two	20
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One	19
Sales-type and Direct Financing Leases, Lease Receivables, Gross Difference, Amount [Abstract]
Sales-type and Direct Financing Leases, Lease Receivable	218
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount	(173)
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
Lessor, Operating Lease, Payment to be Received, Year One	339
Lessor, Operating Lease, Payment to be Received, Year Two	393
Lessor, Operating Lease, Payment to be Received, Year Three	394
Lessor, Operating Lease, Payment to be Received, Year Four	394
Lessor, Operating Lease, Payment to be Received, Year Five	281
Lessor, Operating Lease, Payment to be Received, after Year Five	747
Lessor, Operating Lease, Payments to be Received	2,548
Operating Lease, Risk Strategy, Residual Asset	8,734		$ 8,486
Sales-type Lease, Interest Income	3	4
Property, Plant and Equipment [Member]
Lessor Disclosure [Abstract]
Operating Lease, Right-of-Use Asset	2,403		2,423
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
Operating Lease, Right-of-Use Asset	2,403		2,423
Accumulated Amortization on PP&E
Lessor Disclosure [Abstract]
Operating Lease, Right-of-Use Asset	780		765
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
Operating Lease, Right-of-Use Asset	780		765
Assets
Lessor Disclosure [Abstract]
Operating Lease, Right-of-Use Asset	1,623		1,658
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
Operating Lease, Right-of-Use Asset	$ 1,623		$ 1,658
AES Renewable Holdings
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
Sales-type and Direct Financing Leases, Profit (Loss)		$ (13)