Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.23.2
ASSET RETIREMENT OBLIGATIONS (Tables)
6 Months Ended
Jun. 30, 2023
Asset Retirement Obligation [Abstract]  
Summary Of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
(In millions) June 30,
2023
December 31,
2022
Asset retirement obligations1
$ 525  $ 520 
Less: current portion 21  21 
Long-term asset retirement obligations $ 504  $ 499 
1 Includes $278 million and $277 million related to our active operations as of June 30, 2023 and December 31, 2022, respectively.
Schedule of Change in Asset Retirement Obligation
The following is a roll forward of our asset retirement obligation liability:
(In millions) 2023 2022
Asset retirement obligation as of January 1 $ 520  $ 449 
Accretion expense 13  15 
Reclassification from environmental obligations   63 
Revision in estimated cash flows 1  21 
Remediation payments (9) (16)
Asset retirement obligation as of June 30 $ 525  $ 532