Leases Lessor (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Lessor, Lease, Description [Line Items]
Loss from Catastrophes	$ 20
Operating Lease, Right-of-Use Asset		$ 380	$ 356
Sales-type Lease, Variable Lease Income		3	2
Sales-type Lease, Interest Income		13	23
Operating Lease, Lease Income		490	527
Lease Income		425	478
Variable Lease, Income		65	$ 49
Sales-type and Direct Financing Leases, Lease Receivable, Fiscal Year Maturity [Abstract]
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Next Twelve Months		34
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Two Years		32
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Three Years		32
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Four Years		32
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Five Years		32
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Thereafter		441
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received		603
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount		296
Sales-type and Direct Financing Leases, Lease Receivable		307
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
Lessor, Operating Lease, Payments to be Received, Next Twelve Months		393
Lessor, Operating Lease, Payments to be Received, Two Years		394
Lessor, Operating Lease, Payments to be Received, Three Years		280
Lessor, Operating Lease, Payments to be Received, Four Years		183
Lessor, Operating Lease, Payments to be Received, Five Years		60
Lessor, Operating Lease, Payments to be Received, Thereafter		484
Lessor, Operating Lease, Payments to be Received		$ 1,794
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]		Revenues	Revenues
Property, Plant and Equipment [Member]
Lessor, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset		$ 1,227	$ 1,319
Assets
Lessor, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset		1,045	1,180
Accumulated Amortization on PP&E [Member]
Lessor, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset		182	139
AES Renewable Holdings
Lessor, Lease, Description [Line Items]
Sales-type Lease, Selling Profit (Loss)		$ (20)	$ (5)