Revenue - Accounts Receivable (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ (1)	$ (3)
Total accounts receivable, net	593	1,438
Natural gas, oil and NGL sales
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	406	1,171
Joint interest
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	180	246
Other
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	$ 8	$ 24