Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE - ASSETS AND LIABILITIES MEASURED AT FAIR VALUE ON A RECURRING BASIS (Details)

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FAIR VALUE - ASSETS AND LIABILITIES MEASURED AT FAIR VALUE ON A RECURRING BASIS (Details)
$ in Millions
 1 Months Ended
Nov. 30, 2014
item
Mar. 31, 2010
item
Jun. 30, 2016
USD ($)
Dec. 31, 2015
USD ($)
Five years cross currency interest rate contract | Designated as Hedging Instrument        
Assets:        
Number of derivative instruments held | item 2 3    
Term of cross currency interest rate contract 5 years 5 years    
Eight years cross currency interest rate contract | Designated as Hedging Instrument        
Assets:        
Number of derivative instruments held | item 1      
Term of cross currency interest rate contract 8 years      
Recurring basis        
Assets:        
Total assets     $ 71 $ 72
Liabilities:        
Transfers from Levels 1 to 2 within the fair value hierarchy, assets     0 0
Transfers from Levels 1 and 2 within the fair value hierarchy, liabilities     0 0
Transfers from Levels 2 to 1 within the fair value hierarchy, assets     0 0
Transfers from Levels 2 and 1 within the fair value hierarchy, liabilities     0 0
Recurring basis | Cross-currency interest rate contracts        
Assets:        
Derivatives     26 28
Recurring basis | Interest rate contracts        
Liabilities:        
Total liabilities     (4) (4)
Recurring basis | Equity mutual funds        
Assets:        
Available-for-sale equity securities     27 26
Recurring basis | Equity securities        
Assets:        
Available-for-sale equity securities     18 18
Recurring basis | Quoted prices in active markets for identical assets (Level 1)        
Assets:        
Total assets     45 44
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | Equity mutual funds        
Assets:        
Available-for-sale equity securities     27 26
Recurring basis | Quoted prices in active markets for identical assets (Level 1) | Equity securities        
Assets:        
Available-for-sale equity securities     18 18
Recurring basis | Significant other observable inputs (Level 2) | Interest rate contracts        
Liabilities:        
Total liabilities     (4) (4)
Recurring basis | Significant unobservable inputs (Level 3)        
Assets:        
Total assets     26 28
Recurring basis | Significant unobservable inputs (Level 3) | Cross-currency interest rate contracts        
Assets:        
Derivatives     $ 26 $ 28