RECLAMATION AND REMEDIATION - Reconciliation of Obligation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Change in reclamation liability
Balance at beginning of period			$ 5,768	$ 3,719
Additions, changes in estimates and other			13	7
Payments, net			(78)	(37)
Accretion expense	$ 43	$ 30	86	62
Balance at end of period	5,789	3,751	5,789	3,751
Change in remediation liability
Balance at beginning of period			344	313
Additions, changes in estimates and other			13	21
Payments, net			(23)	(17)
Accretion expense	2	3	3	4
Balance at end of period	$ 337	$ 321	337	$ 321
Midnite mine
Change in remediation liability
Additions, changes in estimates and other			$ 13