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Annual report pursuant to Section 13 and 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.22.4
ASSET RETIREMENT OBLIGATIONS (Tables)
12 Months Ended
Dec. 31, 2022
Environmental Remediation Obligations [Abstract] Ìý
Schedule of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
December 31,
(In millions) 2022 2021
Asset retirement obligations1
$ 520Ìý $ 449Ìý
Less: current portion 21Ìý 35Ìý
Long-term asset retirement obligations $ 499Ìý $ 414Ìý
1 Includes $277 million and $293 million related to our active operations as of DecemberÌý31, 2022 and 2021, respectively.
Roll-forward of Asset Retirement Obligation Liability
The following is a roll-forward of our asset retirement obligation liability:
(In millions) 2022 2021
Asset retirement obligation as of January 1 $ 449Ìý $ 342Ìý
Increase from acquisitions —Ìý 116Ìý
Reclassification from environmental obligations 63Ìý —Ìý
Accretion expense 26Ìý 18Ìý
Remediation payments (40) (29)
Revision in estimated cash flows 22Ìý 2Ìý
Asset retirement obligation as of December 31 $ 520Ìý $ 449Ìý