Annual report pursuant to Section 13 and 15(d)

Basis of Presentation (Details)

v3.8.0.1
Basis of Presentation (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 01, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 29, 2017
Jun. 23, 2016
General business information            
Dividends paid to noncontrolling interest   $ 40 $ 39 $ 36    
Line of credit facility maximum borrowing capacity           $ 2,650
Liberty            
General business information            
Dividends paid to Liberty $ 910          
CNR Home Shopping Co., Ltd.            
General business information            
Equity method investment, ownership percentage   49.00%        
HSN, Inc.            
General business information            
Remaining ownership interest acquired by parent         62.00%  
QVC-Japan            
General business information            
Investment owned, percent of net assets   60.00%        
Noncontrolling interest, ownership percentage by noncontrolling owners   40.00%        
QVC [Member] | Senior secured credit facility            
General business information            
Line of credit facility maximum borrowing capacity           $ 2,250