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
Mar. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Carrying value of debt measured at fair value $ 2,365 $ 2,355
Senior Debentures
   
Debt Instrument [Line Items]    
Carrying value of debt measured at fair value 869  
QVC Senior Secured Notes
   
Debt Instrument [Line Items]    
Carrying value of debt measured at fair value $ 3,946