Derivative Instruments - Effect of Derivative Instruments on the Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Effect of derivative instruments on the Consolidated Balance Sheet
Derivative instruments	$ 98	$ 12
Derivative instruments, noncurrent	17	0
Derivative instruments	0	17
Derivative instruments, noncurrent	17	4
Derivatives Not Designated as Hedges | Commodity Contracts
Effect of derivative instruments on the Consolidated Balance Sheet
Derivative instruments	98	12
Derivative instruments, noncurrent	17	0
Net amounts of assets presented in the condensed consolidated balance sheet	115	12
Derivative instruments	0	17
Derivative instruments, noncurrent	17	4
Net amounts of liabilities presented in the consolidated balance sheet	$ 17	$ 21