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BASIS OF PRESENTATION- Schedule Of Changes In Allowance for Doubtful Accounts (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Allowance for Doubtful Accounts Receivable [Roll Forward]    
Balance at beginning of period $ 114 $ 112
Adoption of new accounting standard 0 4
Charged to costs and expenses 5 12
Write-offs (1) (1)
Currency translation adjustments 2 (7)
Balance at end of period $ 120 $ 120