XML 43 R32.htm IDEA: XBRL DOCUMENT v3.5.0.2
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Millions
Sep. 30, 2016
Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds $ 9 $ 13
Net derivative contracts 19 (42)
Available for sale investments 21 25
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 9 13
Net derivative contracts 0 0
Available for sale investments 21 25
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 0 0
Net derivative contracts 19 (42)
Available for sale investments 0 0
Total Cost Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 9 13
Net derivative contracts 0 0
Available for sale investments $ 12 $ 11