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BASIS OF PRESENTAITON (Tables)
6 Months Ended
Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of New Accounting Standards
The following table is a summary of the changes in our allowance for doubtful accounts for the three and six months ended June 30, 2020:
(in millions)Three months ended
June 30, 2020
Six months ended
June 30, 2020
Balance at beginning of period$114  $112  
Adoption of new accounting standard—   
Charged to costs and expenses 12  
Write-offs(1) (1) 
Currency translation adjustments (7) 
Balance at end of period$120  $120