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FINANCIAL INSTRUMENTS AND DERIVATIVES - SUMMARY OF DERIVATIVE INSTRUMENTS (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Not Designated as Hedging Instrument  
Derivative [Line Items]  
Aggregate Notional Amount $ 276
Aggregate Notional Amount Maturing within 12 Months 276
Not Designated as Hedging Instrument | Foreign exchange forward contracts  
Derivative [Line Items]  
Aggregate Notional Amount 276
Aggregate Notional Amount Maturing within 12 Months 276
Cash Flow Hedges | Designated as Hedging Instrument  
Derivative [Line Items]  
Aggregate Notional Amount 369
Aggregate Notional Amount Maturing within 12 Months 281
Cash Flow Hedges | Designated as Hedging Instrument | Foreign exchange forward contracts  
Derivative [Line Items]  
Aggregate Notional Amount 369
Aggregate Notional Amount Maturing within 12 Months 281
Hedges of Net Investments | Designated as Hedging Instrument  
Derivative [Line Items]  
Aggregate Notional Amount 322
Aggregate Notional Amount Maturing within 12 Months 322
Hedges of Net Investments | Designated as Hedging Instrument | Cross currency basis swaps  
Derivative [Line Items]  
Aggregate Notional Amount 322
Aggregate Notional Amount Maturing within 12 Months 322
Fair Value Hedges | Designated as Hedging Instrument  
Derivative [Line Items]  
Aggregate Notional Amount 63
Aggregate Notional Amount Maturing within 12 Months 44
Fair Value Hedges | Designated as Hedging Instrument | Foreign exchange forward contracts  
Derivative [Line Items]  
Aggregate Notional Amount 63
Aggregate Notional Amount Maturing within 12 Months $ 44