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Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Leases (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Lessee, Lease, Description [Line Items]
Operating Lease, Lease Income	$ 77	$ 109	$ 134	$ 157
Variable Lease, Income	28	28	45	43
Lease Income	49	81	179	200
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One	32		32
Lessor, Operating Lease, Payment to be Received, Year One	38		38
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Two	63		63
Lessor, Operating Lease, Payment to be Received, Year Two	64		64
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Three	63		63
Lessor, Operating Lease, Payment to be Received, Year Three	1		1
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Four	63		63
Lessor, Operating Lease, Payment to be Received, Year Four	1		1
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Five	63		63
Lessor, Operating Lease, Payment to be Received, Year Five	0		0
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, after Year Five	946		946
Lessor, Operating Lease, Payment to be Received, after Year Five	0		0
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received	1,230		1,230
Lessor, Operating Lease, Payments to be Received	104		104
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount	(634)		(634)
Sales-type and Direct Financing Leases, Lease Receivable	596		596
Sales-type Lease, Variable Lease Income	1	0	1	1
Sales-type Lease, Interest Income	6	6	15	12
Sales-type Lease, Selling Profit (Loss)	0	$ (199)	(44)	(208)
AES Andres
Lessee, Lease, Description [Line Items]
Sales-type Lease, Selling Profit (Loss)			(44)	$ (208)
Property, Plant and Equipment [Member]
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	(1,901)		(1,901)		$ (1,923)
Accumulated Amortization on PP&E
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	(253)		(253)		(231)
Assets
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	$ (1,648)		$ (1,648)		$ (1,692)