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Commitments And Contingencies Table - Environmental Remediation Schedule (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]    
Accrued Environmental Loss Contingencies, Current $ 2 $ 5
Accrued Environmental Loss Contingencies, Noncurrent 6 7
Accrual for Environmental Loss Contingencies $ 8 $ 12