Other Expense - Schedule of Components of Other Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Unoccupied facilities expense (a)	$ 32	$ 35	$ 38
Impairment of long-lived assets	22	23	0
Legal and environmental contingencies	18	23	17
ExxonMobil merger-related costs (c)	13	0	0
Transportation commitment charges (d)	11	10	22
Idle equipment charges (e)	5	25	10
Loss on early extinguishment of debt	0	39	2
Parsley Acquisition transaction costs (f)	0	0	211
DoublePoint acquisition transaction costs (g)	0	0	33
Winter Storm Uri gas commitments (h)	0	0	80
Other	30	18
Other			(3)
Total other expense	$ 131	$ 173	410
Parsley | Employee related costs
Restructuring Cost and Reserve [Line Items]
Parsley Acquisition transaction costs (f)			90
Parsley | Transaction related fees
Restructuring Cost and Reserve [Line Items]
Parsley Acquisition transaction costs (f)			$ 121