Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2022

Asset Retirement Obligation Disclosure [Abstract]

Activity related to asset retirement obligations

Activity related to the Company’s asset retirement obligations is as follows:

(In millions)	Three Months Ended  March 31, 2022
Balance at beginning of period	$	263
Liabilities incurred	3
Liabilities settled	(1)
Liabilities divested	(2)
Accretion expense	2
Balance at end of period	265
Less: current asset retirement obligations	(3)
Noncurrent asset retirement obligations	$	262