| Long-Term Debt (Debt Securities That Are Not Reported At Fair Value) (Details) (USD $) In Millions, unless otherwise specified | Jun. 30, 2012 | 
|---|---|
| Senior Notes [Member] | |
| Senior notes, not reported at fair value | $ 317 | 
| Senior Debentures [Member] | |
| Senior notes, not reported at fair value | 816 | 
| QVC Senior Secured Notes [Member] | |
| Senior notes, not reported at fair value | $ 2,201 | 
| X | ||||||||||
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- Definition This item represents a financial instrument (as defined) for which it is not practicable to estimate fair value. Such disclosure may be for an individual financial instrument or a class of financial instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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