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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.21.2
ASSET RETIREMENT OBLIGATIONS (Tables)
9 Months Ended
Sep. 30, 2021
Asset Retirement Obligation [Abstract]
Summary Of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
(In Millions)
September 30,
2021
December 31,
2020
Asset retirement obligations1
$ 392 $ 342听
Less: current portion 25 7听
Long-term asset retirement obligations $ 367 $ 335听
1 Includes $236 million and $190 million related to our active operations as of September听30, 2021 and December听31, 2020, respectively.
Schedule of Change in Asset Retirement Obligation
The following is a roll forward of our asset retirement obligation liability:
(In Millions)
2021 2020
Asset retirement obligation as of January 1 $ 342 $ 165听
Increase from acquisitions 57 17听
Accretion expense 13 8听
Remediation payments (20) (4)
Asset retirement obligation as of September 30 $ 392 $ 186听