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SIGNIFICANT ACCOUNTING POLICIES - Concentrations of Credit Risk (Details)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
wholesaler
Dec. 31, 2015
USD ($)
Accounting Policies [Abstract]      
Maximum term of original maturity to classify instruments as cash and cash equivalents (less than)   3 months  
Concentrations of Credit Risk      
Allowance for doubtful accounts $ 67 $ 80 $ 67
Percentage of net trade receivables accounted for by largest wholesale customers   40.00%  
Past due period for receivables to be negligible (less than)   90 days 90 days
Period net trade receivable balance outstanding (more than)   90 days  
Accounts receivable reserve 27    
Russia, Egypt, Italy, Brazil, Spain, Greece and Portugal      
Concentrations of Credit Risk      
Net trade receivable $ 253 $ 214 $ 253
Portion of net trade receivables that is past due   $ 7  
Revenue | Amoun      
Concentrations of Credit Risk      
Concentration risk, percentage   2.00%  
Trade receivables | Credit concentration | Three largest U.S. wholesaler customers      
Concentrations of Credit Risk      
Number of largest wholesale customers | wholesaler   3