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ASSET RETIREMENT OBLIGATION
 3 Months Ended
Mar. 31, 2022
Asset Retirement Obligation Disclosure [Abstract]  
ASSET RETIREMENT OBLIGATION ASSET RETIREMENT OBLIGATION
The following table describes changes to the Company’s asset retirement obligation (ARO) liability:
March 31,
2022
 (In millions)
Asset retirement obligation, December 31, 2021
$2,130 
Liabilities settled(7)
Deconsolidation of Altus(69)
Accretion expense29 
Asset retirement obligation, March 31, 2022
2,083 
Less current portion(40)
Asset retirement obligation, long-term$2,043