Commitments And Contingencies - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Liability protection, per nuclear incident, per site		$ 16,200,000,000
Liability protection period for nuclear incidents subject to change for inflation		5 years
Liability protection per nuclear incidents decreased	$ 16,200,000,000		$ 13,700,000,000
Nuclear liability assessment per reactor		$ 166,000,000
Nuclear liability assessment per licensed reactor per year		25,000,000
Contingent liability for coverage, maximum	$ 41,300,000	$ 41,300,000