Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.8.0.1
Basis of Presentation (Details) - USD ($)
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Jun. 23, 2016
General business information      
Dividends paid to noncontrolling interest $ 22,000,000 $ 21,000,000  
Related party transaction, amounts of transaction $ 7,000,000 $ 11,000,000  
Line of credit facility, maximum borrowing capacity     $ 2,650,000,000
QVC-Japan      
General business information      
Investment owned, percent of net assets 60.00%    
Noncontrolling interest, ownership percentage by noncontrolling owners 40.00%    
CNR Home Shopping Co., Ltd.      
General business information      
Equity method investment, ownership percentage 49.00%    
HSN, Inc.      
General business information      
Ownership percentage by parent 38.00%    
Revolving Credit Facility | QVC      
General business information      
Line of credit facility, maximum borrowing capacity     2,250,000,000
Revolving Credit Facility | Tranche One, Shared with Related Party      
General business information      
Line of credit facility, maximum borrowing capacity     $ 400,000,000
Line of credit facility, fair value of amount outstanding $ 300,000,000