Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Debt Securities That Are Not Reported At Fair Value) (Details)

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Long-Term Debt (Debt Securities That Are Not Reported At Fair Value) (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Carrying value of debt measured at fair value $ 2,236 $ 2,443
Senior Debentures [Member]
   
Carrying value of debt measured at fair value 837  
QVC Senior Secured Notes [Member]
   
Carrying value of debt measured at fair value $ 2,828