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FAIR VALUE OF FINANCIAL INSTRUMENTS - Valuation Techniques and Significant Inputs (Details) - Recurring fair value measurement - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Foreign currency forward contracts | Level 2 | Discounted cash flow    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Financial liabilities (current and non-current) $ 43 $ 98
Interest rate swaps & other | Level 2 | Discounted cash flow    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Financial liabilities (current and non-current) 104 307
Other contracts | Level 3 | Discounted cash flow    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Financial liabilities (current and non-current) 149 96
Marketable securities | Level 1 | Quoted bid prices    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Financial assets 75 179
Foreign currency forward contracts | Level 2 | Discounted cash flow    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Financial assets 244 104
Interest rate swaps & other | Level 2 | Discounted cash flow    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Financial assets 1,168 882
Other contracts | Level 3 | Discounted cash flow    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Financial assets $ 55 $ 6