Revenue - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ (13)	$ (11)
Total accounts receivable, net	1,026	1,226
Natural gas, oil and NGL sales
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	743	1,028
Joint interest
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	258	191
Other
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	$ 38	$ 18