Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2023

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, 2023
Balance at beginning of period	$	277
Liabilities incurred	1
Liabilities settled	2
Accretion expense	3
Balance at end of period	283
Less: current asset retirement obligations	(6)
Noncurrent asset retirement obligations	$	277