Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details)

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Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Goodwill [Roll Forward]    
Balance, beginning of the year $ 6,052 $ 6,112
Acquisitions prior year   57
Acquisitions 950  
Goodwill, Purchase Accounting Adjustments   57
Sale of subsidiary   (78)
Foreign currency translation adjustments 80 (39)
Balance, end of the year 7,082 6,052
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Gross carrying amount 5,354 6,154
Accumulated amortization (4,106) (5,149)
Finite-Lived Intangible Assets, Net 1,248 1,005
QVC    
Goodwill [Roll Forward]    
Balance, beginning of the year 5,110 5,149
Foreign currency translation adjustments 80 (39)
Balance, end of the year 5,190 5,110
zulily    
Goodwill [Roll Forward]    
Balance, beginning of the year 917 860
Acquisitions prior year   57
Balance, end of the year 917 917
HSNi    
Goodwill [Roll Forward]    
Acquisitions 933  
Balance, end of the year 933  
Corporate and Other    
Goodwill [Roll Forward]    
Balance, beginning of the year 25 103
Acquisitions 17  
Sale of subsidiary   (78)
Balance, end of the year 42 25
Television distribution Rights [Member]    
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Gross carrying amount 730 2,279
Accumulated amortization (652) (2,095)
Finite-Lived Intangible Assets, Net 78 184
Customer Relationships    
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Gross carrying amount 3,356 2,910
Accumulated amortization (2,626) (2,394)
Finite-Lived Intangible Assets, Net 730 516
Other Intangible Assets [Member]    
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Gross carrying amount 1,268 965
Accumulated amortization (828) (660)
Finite-Lived Intangible Assets, Net $ 440 $ 305