Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 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)	Six Months Ended  June 30, 2022
Balance at beginning of period	$	263
Liabilities incurred	6
Liabilities settled	(2)
Liabilities divested	(3)
Accretion expense	5
Balance at end of period	269
Less: current asset retirement obligations	(4)
Noncurrent asset retirement obligations	$	265