Property, Plant, and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Finite-Lived Assets
Gross Value	$ 3,586	$ 4,025
Accumulated Provision	(336)	(186)
Carrying Value	3,250	3,839
Finite-Lived Intangible Assets
Gross Value	1	1
Accumulated Provision	0	0
Carrying Value	1	1
Electric generation
Finite-Lived Assets
Gross Value	3,015	3,178
Accumulated Provision	(197)	(109)
Carrying Value	2,818	3,069
Nuclear fuel
Finite-Lived Assets
Gross Value	322	228
Accumulated Provision	(107)	(55)
Carrying Value	215	173
Other property and equipment
Finite-Lived Assets
Gross Value	146	357
Accumulated Provision	(30)	(21)
Carrying Value	116	336
Capitalized software
Finite-Lived Assets
Gross Value	6	6
Accumulated Provision	(2)	(1)
Carrying Value	4	5
Construction work in progress
Finite-Lived Assets
Gross Value	96	255
Carrying Value	$ 96	$ 255
Minimum
Finite-Lived Intangible Assets
Estimated Useful Life (years)	2 years
Minimum | Electric generation
Finite-Lived Assets
Estimated Useful Life (years)	3 years
Minimum | Nuclear fuel
Finite-Lived Assets
Estimated Useful Life (years)	1 year
Minimum | Other property and equipment
Finite-Lived Assets
Estimated Useful Life (years)	1 year
Minimum | Capitalized software
Finite-Lived Assets
Estimated Useful Life (years)	1 year
Maximum
Finite-Lived Intangible Assets
Estimated Useful Life (years)	26 years
Maximum | Electric generation
Finite-Lived Assets
Estimated Useful Life (years)	27 years
Maximum | Nuclear fuel
Finite-Lived Assets
Estimated Useful Life (years)	6 years
Maximum | Other property and equipment
Finite-Lived Assets
Estimated Useful Life (years)	20 years
Maximum | Capitalized software
Finite-Lived Assets
Estimated Useful Life (years)	5 years