v2.4.0.8
Commitments And Contingencies Environmental Matters (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Environmental Exit Cost [Line Items]    
Accrual for Environmental Loss Contingencies $ 22 $ 21
Accrued Environmental Loss Contingencies, Noncurrent 19 18
Accrued Liabilities [Member]
   
Environmental Exit Cost [Line Items]    
Accrued Environmental Loss Contingencies, Current 3 3
Other Long-Term Liabilities [Member]
   
Environmental Exit Cost [Line Items]    
Accrued Environmental Loss Contingencies, Noncurrent $ 19 $ 18