Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2023

Asset Retirement Obligation [Abstract]

Schedule of asset retirement obligations

Asset retirement obligations activity is as follows:

	Three Months Ended March 31, 2023
	(in millions)
Beginning asset retirement obligations	$	477
New wells placed on production	1
Changes in estimates	(20)
Liabilities settled	(16)
Accretion of discount	4
Ending asset retirement obligations	446
Less current portion of asset retirement obligations	(125)
Asset retirement obligations, long-term	$	321