Annual report pursuant to Section 13 and 15(d)

Accounts Receivable Accounts Receivable (Accounts Receivable) (Details)

v3.8.0.1
Accounts Receivable Accounts Receivable (Accounts Receivable) (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2017
USD ($)
installment
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Accounts Receivable, Net, Current [Abstract]      
Accounts receivable, gross $ 1,479 $ 1,343  
Less allowance for doubtful accounts (91) (97)  
Accounts receivable, net 1,388 1,246  
QVC-Easy Pay plan      
Accounts Receivable, Net, Current [Abstract]      
Accounts receivable, gross 1,151 1,054  
Credit Card Receivable [Member]      
Accounts Receivable, Net, Current [Abstract]      
Accounts receivable, gross 263 221  
Other receivables [Member]      
Accounts Receivable, Net, Current [Abstract]      
Accounts receivable, gross 65 68  
SG&A      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Finance income from company branded credit card issued by financial institution $ 105 $ 100 $ 92
Minimum | QVC-Easy Pay plan      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of installments plan permits for customers | installment 2    
Maximum | QVC-Easy Pay plan      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of installments plan permits for customers | installment 5