Property, Plant, and Equipment - Summary of Depreciation, Amortization, and Accretion Expense (Details) - USD ($) $ in Millions	5 Months Ended	7 Months Ended	12 Months Ended
	May 17, 2023	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 173	$ 133	$ 225	$ 432
Amortization expense	4	1	16	12
Accretion expense	24	31	57	78
Other	(1)	0	0	(2)
Depreciation, amortization and accretion	$ 200	$ 165	$ 298	$ 520