Commitment and Contingencies - Other Commitments and Contingencies (Details) $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2015 permit	Jun. 30, 2024 USD ($)
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 mine permits amended | permit		1
Maximum months to be udpated	19 months