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Asset Retirement Obligations (Tables)
3 Months Ended
Mar. 31, 2024
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, 2024
Balance at beginning of period$289 
Liabilities incurred
Accretion expense
Balance at end of period294 
Less: current asset retirement obligations(11)
Noncurrent asset retirement obligations$283