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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS - Asset Retirement Obligation Disclosure (Details)

v3.22.2.2
ASSET RETIREMENT OBLIGATIONS - Asset Retirement Obligation Disclosure (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Asset Retirement Obligation [Roll Forward] Ìý Ìý
Asset retirement obligation at beginning of period $ 449 $ 342
Increase from acquisitions 0 57
Accretion expense 21 13
Reclassification from environmental obligations 63 0
Revision in estimated cash flows 22 0
Remediation payments (33) (20)
Asset retirement obligation at end of period $ 522 $ 392