Commitments and Contingencies - Other Commitments and Contingencies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) lawsuit
Commitments and Contingencies Disclosure [Abstract]
Nuclear insurance, liability limit per accident	$ 16,300
Nuclear insurance, coverage	500
Nuclear insurance, maximum deferred premiums	332
Nuclear insurance, annual maximum deferred premiums	49
Maximum insurance converge, nuclear	2,000
Maximum insurance converge, non-nuclear	1,000
Retrospective premiums, maximum assessment	$ 48
Number Of lawsuits | lawsuit	2