ÐÇ¿Õ´«Ã½

Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS - Asset Retirement Obligation Disclosure (Details)

v3.22.2
ASSET RETIREMENT OBLIGATIONS - Asset Retirement Obligation Disclosure (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Jun. 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 15 8
Reclassification from environmental obligations 63 0
Revision in estimated cash flows 21 0
Remediation payments (16) (10)
Asset retirement obligation at end of period $ 532 $ 397