Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.8.0.1
Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 29, 2017
Jun. 23, 2016
General business information        
Dividends paid to noncontrolling interest $ 23 $ 22    
Line of credit facility, maximum borrowing capacity       $ 2,650
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%      
zulily, llc [Member]        
General business information        
Related Party Transaction, Amounts of Transaction $ 3 $ 2    
HSN, Inc. [Member]        
General business information        
Related Party Transaction, Amounts of Transaction 5      
Remaining ownership interest acquired by parent     62.00%  
Senior secured credit facility | QVC        
General business information        
Line of credit facility, maximum borrowing capacity       2,250
Senior secured credit facility | Tranche One, Shared with Related Party        
General business information        
Line of credit facility, maximum borrowing capacity       $ 400
Line of Credit Facility, Fair Value of Amount Outstanding $ 0