FINANCING AND FINANCIAL INSTRUMENTS - Risk management policy - Foreign Currency Sensitivity Analysis (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items]
Reasonably possible change in risk variable (in percent)	10.00%
Currency risk | EUR
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	$ 182
10% increase, trade payables	622
10% decrease, trade receivables	(182)
10% decrease, trade payables	(622)
Currency risk | BRL
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	78
10% increase, trade payables	63
10% decrease, trade receivables	(78)
10% decrease, trade payables	(63)
Currency risk | CAD
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	13
10% increase, trade payables	46
10% decrease, trade receivables	(13)
10% decrease, trade payables	(46)
Currency risk | KZT
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	8
10% increase, trade payables	5
10% decrease, trade receivables	(8)
10% decrease, trade payables	(5)
Currency risk | ZAR
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	14
10% increase, trade payables	36
10% decrease, trade receivables	(14)
10% decrease, trade payables	(36)
Currency risk | MXN
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	1
10% increase, trade payables	5
10% decrease, trade receivables	(1)
10% decrease, trade payables	(5)
Currency risk | UAH
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	9
10% increase, trade payables	30
10% decrease, trade receivables	(9)
10% decrease, trade payables	(30)
Currency risk | PLN
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	31
10% increase, trade payables	96
10% decrease, trade receivables	(31)
10% decrease, trade payables	(96)
Currency risk | ARS
Disclosure of nature and extent of risks arising from financial instruments [line items]
10% increase, trade receivables	8
10% increase, trade payables	8
10% decrease, trade receivables	(8)
10% decrease, trade payables	(8)
Currency risk | Trade payables
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	15,093
Currency risk | Trade payables | USD
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	5,579
Currency risk | Trade payables | EUR
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	6,219
Currency risk | Trade payables | BRL
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	633
Currency risk | Trade payables | CAD
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	464
Currency risk | Trade payables | KZT
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	52
Currency risk | Trade payables | ZAR
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	356
Currency risk | Trade payables | MXN
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	46
Currency risk | Trade payables | UAH
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	302
Currency risk | Trade payables | PLN
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	955
Currency risk | Trade payables | ARS
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	78
Currency risk | Trade payables | Other
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	409
Currency risk | Trade receivables
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	5,143
Currency risk | Trade receivables | USD
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	1,386
Currency risk | Trade receivables | EUR
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	1,822
Currency risk | Trade receivables | BRL
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	778
Currency risk | Trade receivables | CAD
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	132
Currency risk | Trade receivables | KZT
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	83
Currency risk | Trade receivables | ZAR
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	137
Currency risk | Trade receivables | MXN
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	9
Currency risk | Trade receivables | UAH
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	88
Currency risk | Trade receivables | PLN
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	305
Currency risk | Trade receivables | ARS
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	75
Currency risk | Trade receivables | Other
Disclosure of nature and extent of risks arising from financial instruments [line items]
Risk exposure associated with instruments sharing characteristic	$ 328