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Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 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)Six Months Ended 
June 30, 2023
Balance at beginning of period$277 
Liabilities incurred
Liabilities settled
Liabilities divested(4)
Accretion expense
Balance at end of period282 
Less: current asset retirement obligations(5)
Noncurrent asset retirement obligations$277