FINANCIAL INSTRUMENTS (Unrealized gains losses) (Details) oz in Thousands, lb in Millions, $ in Millions	1 Months Ended	2 Months Ended	12 Months Ended
	Apr. 30, 2020 lb $ / lb	Jun. 30, 2020	Dec. 31, 2021 USD ($) lb oz $ / oz $ / lb $ / lb	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
North America
Realized gains (losses):
Percent of Copper Sale Volume		6000.00%
Derivatives Not Designated as Hedging Instruments | Amounts recorded in Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net			$ 423	$ 304	$ 54
Commodity Contract [Member]
Unrealized gains (losses):
Derivative financial instruments			4	(9)	(15)
Hedged item - firm sales commitments			4	(9)	(15)
Realized gains (losses):
Matured derivative financial instruments			$ 65	22	(8)
Commodity Contract [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass | lb			78
Derivative, Average Forward Price | $ / lb			4.30
Copper Forward Contracts [Member]
Unrealized gains (losses):
Derivative financial instruments			$ 24
Realized gains (losses):
Derivative, Forward Price | $ / lb	2.34
Copper Forward Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass | lb	150
Copper Forward Contracts [Member] | Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass | lb			2
Derivative, Average Forward Price | $ / lb			4.53
Copper Forward Contracts [Member] | Derivatives Not Designated as Hedging Instruments | Amounts recorded in Cost of Sales
Realized gains (losses):
Matured derivative financial instruments			$ (15)	3	(7)
Copper | Derivatives Not Designated as Hedging Instruments | Amounts recorded in Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net			$ 425	259	34
Copper | Short [Member] | Embedded Derivative Financial Instruments [Member] | Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass | lb			682
Derivative, Average Forward Price | $ / lb			4.37
Realized gains (losses):
Derivative Average Market Price | $ / lb			4.42
Copper | Long [Member] | Embedded Derivative Financial Instruments [Member] | Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass | lb			132
Derivative, Average Forward Price | $ / lb			4.38
Realized gains (losses):
Derivative Average Market Price | $ / lb			4.42
Gold | Short [Member] | Embedded Derivative Financial Instruments [Member] | Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Nonmonetary Notional Amount, Mass | oz			223
Derivative, Average Forward Price | $ / oz			1,797
Realized gains (losses):
Derivative Average Market Price | $ / oz			1,822
gold and other [Member] | Derivatives Not Designated as Hedging Instruments | Amounts recorded in Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net			$ (2)	$ 45	$ 20