Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.20.2
Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
General business information      
Dividends paid to noncontrolling interest   $ 46 $ 34
Severance Costs $ 2 $ 18  
QVC-Japan      
General business information      
Investment Owned, Percent of Net Assets 60.00% 60.00%  
QVC-Japan | Mitsui [Domain]      
General business information      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 40.00% 40.00%  
CNR Home Shopping Co., Ltd.      
General business information      
Equity Method Investment, Ownership Percentage 49.00% 49.00%  
Cornerstone Brands Inc [Member]      
General business information      
Repayments of Related Party Debt     29
QVC to Zulily allocated expenses [Member] | zulily, llc [Member]      
General business information      
Related Party Transaction, Amounts of Transaction   $ 6 5
Zulily to QVC allocated expenses [Member] | zulily, llc [Member]      
General business information      
Related Party Transaction, Amounts of Transaction   8 7
QVC to CBI Allocated Expenses [Member] | Cornerstone Brands Inc [Member]      
General business information      
Related Party Transaction, Expenses from Transactions with Related Party   18 20
CBI to QVC allocated expenses [Member] | Cornerstone Brands Inc [Member]      
General business information      
Related Party Transaction, Expenses from Transactions with Related Party   1 $ 1
QVC to Zulily loan [Member] | zulily, llc [Member]      
General business information      
Line of Credit Facility, Maximum Borrowing Capacity $ 100 $ 100  
Line of Credit Facility, Interest Rate Description   variable interest rate equal to the LIBOR rate plus an applicable margin rate