v3.26.3
RECLAMATION AND REMEDIATION - Schedule of Reconciliation of Obligation (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Change in reclamation liability    
Balance at beginning of period $ 6,800 $ 7,015
Additions, changes in estimates, and other (13) 42
Divestitures (29) (13)
Payments, net (667) (471)
Accretion expense  219 236
Balance at end of period 6,310 6,809
Change in remediation liability    
Balance at beginning of period 390 370
Additions, changes in estimates, and other 115 27
Divestitures 0 0
Payments, net (47) (56)
Accretion expense  5 5
Balance at end of period $ 463 $ 346