XML 70 R48.htm IDEA: XBRL DOCUMENT v3.3.1.900
Derivatives and Fair Value of Financial Instruments - Fair Value of Derivatives (Details)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
Commodities    
Fair value of each type of derivative and its location in the Consolidated Balance Sheets    
Margin account $ 29 $ 4
Commodities | Other current assets    
Fair value of each type of derivative and its location in the Consolidated Balance Sheets    
Asset Derivatives 4 6
Derivative assets and liabilities, net basis 15 9
Commodities | Other current liabilities    
Fair value of each type of derivative and its location in the Consolidated Balance Sheets    
Liability Derivatives 18 2
Derivative assets and liabilities, net basis 0 1
Foreign currencies    
Fair value of each type of derivative and its location in the Consolidated Balance Sheets    
Loss due to credit risk associated with derivative contracts $ 8  
Number of counterparties | item 7  
Foreign currencies | Other current assets    
Fair value of each type of derivative and its location in the Consolidated Balance Sheets    
Asset Derivatives $ 8 1
Interest rate swaps    
Fair value of each type of derivative and its location in the Consolidated Balance Sheets    
Loss due to credit risk associated with derivative contracts 0  
Interest rate swaps | Other current liabilities    
Fair value of each type of derivative and its location in the Consolidated Balance Sheets    
Liability Derivatives $ 6 $ 8