ÐÇ¿Õ´«Ã½

Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS - Asset Retirement Obligation Disclosure (Details)

v3.23.1
ASSET RETIREMENT OBLIGATIONS - Asset Retirement Obligation Disclosure (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Asset Retirement Obligation [Roll Forward] Ìý Ìý
Asset retirement obligation at beginning of period $ 520 $ 449
Accretion expense 8 7
Revision in estimated cash flows 0 7
Remediation payments (4) (3)
Asset retirement obligation at end of period $ 524 $ 460