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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.21.1
ASSET RETIREMENT OBLIGATIONS (Tables)
3 Months Ended
Mar. 31, 2021
Asset Retirement Obligation [Abstract]
Summary Of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
(In Millions)
March 31,
2021
December 31,
2020
Asset retirement obligations1
$ 310 $ 342听
Less: current portion 12 7听
Long-term asset retirement obligations $ 298 $ 335听
1 Includes $158 million and $190 million related to our active operations as of March听31, 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 (decrease) from Acquisitions (34) 14听
Accretion expense 3 2听
Remediation payments (1) 鈥斕�
Asset retirement obligation as of March 31 $ 310 $ 181听