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FAIR VALUE MEASUREMENTS (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value Asset $ 325 $ 396
Derivative Fair Value Of Derivative Liability 171 200
Fair Value Measurements Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available for sale investments 1,122 1,118
Foreign currency exchange contracts [Member] | Fair Value Measurements Recurring [Member] | Significant Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value Asset 225 202
Derivative Fair Value Of Derivative Liability 166 150
Interest rate swap agreements [Member] | Fair Value Measurements Recurring [Member] | Significant Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value Asset 100 194
Cross currency swap agreements [Member] | Fair Value Measurements Recurring [Member] | Significant Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Fair Value Of Derivative Liability $ 5 $ 50