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BORROWINGS Part 2 (Details) Credit Facility and Commercial Paper Borrowings - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Term Loan Agreement [Member]    
Credit Facilities [Abstract]    
Credit Facility, Borrowing Capacity $ 1,000  
Debt Instrument, Term 5 years  
Line of Credit Facility, Maximum Month-end Outstanding Amount $ 350 $ 350
Line of Credit Facility, Interest Rate During Period 1.68% 1.67%
Revolving Credit Facility [Member]    
Credit Facilities [Abstract]    
Credit Facility, Borrowing Capacity $ 1,250  
Line of Credit Facility, Maximum Month-end Outstanding Amount $ 0 $ 0
Line of Credit Facility, Expiration Date Oct. 31, 2020  
Long term commercial paper [Member]    
Credit Facilities [Abstract]    
Long-term Commercial Paper, Noncurrent $ 512 $ 430
Debt, Weighted Average Interest Rate 0.81% 0.80%
A/R Facility [Member]    
Credit Facilities [Abstract]    
Credit Facility, Borrowing Capacity $ 250  
Line of Credit Facility, Interest Rate During Period 1.25% 1.11%
Line of Credit Facility, Expiration Date Apr. 30, 2018  
Borrowings under the A/R facility $ 190 $ 200
Repayments of Lines of Credit 10  
Credit and A/R Facility    
Credit Facilities [Abstract]    
Credit Facility, Borrowing Capacity $ 769 $ 842