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ASSET RETIREMENT OBLIGATION
3 Months Ended
Mar. 31, 2024
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,
2024
 (In millions)
Asset retirement obligation, December 31, 2023
$2,430 
Liabilities incurred
Liabilities settled(9)
Accretion expense40 
Revisions in estimated liabilities
Asset retirement obligation, March 31, 2024
2,463 
Less current portion(75)
Asset retirement obligation, long-term$2,388