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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.23.3
ASSET RETIREMENT OBLIGATIONS (Tables)
9 Months Ended
Sep. 30, 2023
Asset Retirement Obligation [Abstract] Ìý
Summary of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
(In millions) September 30,
2023
December 31,
2022
Asset retirement obligations1
$ 522Ìý $ 520Ìý
Less: current portion 17Ìý 21Ìý
Long-term asset retirement obligations $ 505Ìý $ 499Ìý
1 Includes $275 million and $277 million related to our active operations as of SeptemberÌý30, 2023 and DecemberÌý31, 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 $ 520Ìý $ 449Ìý
Accretion expense 19Ìý 21Ìý
Reclassification from environmental obligations —Ìý 63Ìý
Revision in estimated cash flows —Ìý 22Ìý
Remediation payments (17) (33)
Asset retirement obligation as of September 30 $ 522Ìý $ 522Ìý