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FINANCIAL INSTRUMENTS - Narrative investments (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Disclosure of fair value measurement of assets [line items]    
Payables with early payment discount $ 4,200 $ 2,700
Number of working days over which stock market prices are observed 90 days  
True Sales Of Receivables $ 6,000 $ 5,200
Mandatorily convertible unsecured unsubordinated bonds    
Disclosure of fair value measurement of assets [line items]    
Notional amount $ 1,000