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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.22.1
ASSET RETIREMENT OBLIGATIONS (Tables)
3 Months Ended
Mar. 31, 2022
Asset Retirement Obligation [Abstract] Ìý
Summary Of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
(In Millions)
March 31,
2022
December 31,
2021
Asset retirement obligations1
$ 460Ìý $ 449Ìý
Less: current portion 33Ìý 35Ìý
Long-term asset retirement obligations $ 427Ìý $ 414Ìý
1 Includes $297 million and $293 million related to our active operations as of MarchÌý31, 2022 and DecemberÌý31, 2021, respectively.
Schedule of Change in Asset Retirement Obligation
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
Decrease from acquisitions —Ìý (34)
Accretion expense 7Ìý 3Ìý
Revision in estimated cash flows 7Ìý —Ìý
Remediation payments (3) (1)
Asset retirement obligation as of March 31 $ 460Ìý $ 310Ìý