Property, Plant, and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	May 17, 2023
Finite-Lived Assets
Gross Value	$ 3,619	$ 4,025
Accumulated Depreciation	(465)	(186)
Carrying Value	3,154	3,839	$ 3,864
Electric generation
Finite-Lived Assets
Gross Value	3,030	3,178
Accumulated Depreciation	(292)	(109)
Carrying Value	2,738	3,069
Nuclear fuel
Finite-Lived Assets
Gross Value	322	228
Accumulated Depreciation	(152)	(55)
Carrying Value	170	173
Other property and equipment
Finite-Lived Assets
Gross Value	90	358
Accumulated Depreciation	(18)	(21)
Carrying Value	72	337
Capitalized software
Finite-Lived Assets
Gross Value	8	6
Accumulated Depreciation	(3)	(1)
Carrying Value	5	5
Construction work in progress
Finite-Lived Assets
Gross Value	169	255
Carrying Value	$ 169	$ 255
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 | 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)	26 years
Maximum | Capitalized software
Finite-Lived Assets
Estimated Useful Life (years)	5 years