Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.20.4
Related Party Transactions (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 30, 2020
Jun. 23, 2016
Related Party Transaction [Line Items]          
Line of credit facility maximum borrowing capacity $ 2,950        
Letters of Credit Outstanding, Amount 13 $ 12      
Notes Receivable, Related Parties, Noncurrent $ 1,825 0   $ 1,800  
Receivable with Imputed Interest, Effective Yield (Interest Rate) 0.48%        
QVC to Zulily allocated expenses [Member]          
Related Party Transaction [Line Items]          
Related party transaction, amounts of transactions $ 8 7 $ 5    
Zulily to QVC allocated expenses [Member]          
Related Party Transaction [Line Items]          
Related party transaction, amounts of transactions 11 9 6    
QVC to CBI Allocated Expenses [Member]          
Related Party Transaction [Line Items]          
Related Party Transaction, Expenses from Transactions with Related Party 23 28 50    
CBI to QVC allocated expenses [Member]          
Related Party Transaction [Line Items]          
Related Party Transaction, Expenses from Transactions with Related Party 1 1 $ 5    
Cornerstone Brands Inc [Member]          
Related Party Transaction [Line Items]          
Repayments of Related Party Debt   $ 29      
zulily, llc          
Related Party Transaction [Line Items]          
Letters of Credit Outstanding, Amount 9        
Related Party Transaction, Promissory Note 100        
QVC [Member] | Senior secured credit facility          
Related Party Transaction [Line Items]          
Line of credit facility maximum borrowing capacity 2,550        
Tranche One, Shared with Related Party [Member] | Senior secured credit facility          
Related Party Transaction [Line Items]          
Line of credit facility maximum borrowing capacity $ 400       $ 400