Commitment and Contingencies - Smokehouse Creek Complex (Details) $ in Millions	Jun. 30, 2025 USD ($) Claims Period complaint	Dec. 31, 2024 USD ($)
Statement of Financial Position [Abstract]
Amount of insurance coverage	$ 500
Smokehouse Creek Insurance Receivable	$ 221	$ 210
Number of complaints related to the Smokehouse Creek Complex | complaint	27
Number of claims related to the Smokehouse Creek Complex | Claims	253
Number of claims settled related to the Smokehouse Creek Complex | Period	187
Smokehouse probable loss	$ 290	215
Smokehouse settlements reached	176
Smokehouse settlements paid	123	35
Smokehouse remaining liability	$ 167	$ 180
Number of claims resolved related to the Smokehouse Creek Complex	7
Number of claims settled and pending dismissal related to the Smokehouse Creek Complex	4