v3.4.0.3
DEBT (DETAILS) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Debt instrument unused and available borrowing capacity amount $ 3,313  
Commercial paper program    
Debt Instrument [Line Items]    
Commercial paper, borrowing outstanding 150  
Liquidity facility    
Debt Instrument [Line Items]    
Credit facility, borrowings outstanding 0  
Carrying Value    
Debt Instrument [Line Items]    
Long-term debt, including current portion 4,058 $ 3,795
Fair value | Level 2    
Debt Instrument [Line Items]    
Long-term debt, including current portion $ 4,214 3,879
Fair value | Level 3    
Debt Instrument [Line Items]    
Long-term debt, including current portion   $ 53