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Goodwill And Other Intangibles (Amortized Intangible Assets) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]    
Gross Cost $ 888 $ 814
Accumulated Amortization 416 345
Net Carrying Amount $ 472 $ 469