AGÕæÈËÆ½Ì¨AGÕæÈËÊÔÍæ

Annual report pursuant to Section 13 and 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.24.0.1
ASSET RETIREMENT OBLIGATIONS (Tables)
12 Months Ended
Dec. 31, 2023
Environmental Remediation Obligations [Abstract] Ìý
Schedule of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
December 31,
(In millions) 2023 2022
Asset retirement obligations1
$ 459Ìý $ 520Ìý
Less: current portion 15Ìý 21Ìý
Long-term asset retirement obligations $ 444Ìý $ 499Ìý
1 Includes $259 million and $277 million related to our active operations as of DecemberÌý31, 2023 and 2022, respectively.
Roll-forward of Asset Retirement Obligation Liability
The following is a roll-forward of our asset retirement obligation:
(In millions) 2023 2022
Asset retirement obligation as of January 1 $ 520Ìý $ 449Ìý
Decrease from sale of business (76) —�
Reclassification from environmental obligations â€�Ìý 63Ìý
Accretion expense 26Ìý 26Ìý
Remediation payments (21) (40)
Revision in estimated cash flows 10Ìý 22Ìý
Asset retirement obligation as of December 31 $ 459Ìý $ 520Ìý