Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.10.0.1
Related Party Transactions (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 29, 2017
Jun. 30, 2016
Jun. 23, 2016
Related Party Transaction [Line Items]            
Line of credit facility maximum borrowing capacity $ 3,650         $ 2,650
Letters of Credit Outstanding, Amount 13 $ 21        
Cornerstone Brands Inc [Member]            
Related Party Transaction [Line Items]            
Related Party Transaction, Expenses from Transactions with Related Party 68          
Notes Receivable, Related Parties, Noncurrent 28          
zulily, llc            
Related Party Transaction [Line Items]            
Related party transaction, amounts of transactions 14 9 $ 12      
Letters of Credit Outstanding, Amount 10          
CommerceHub, Inc.            
Related Party Transaction [Line Items]            
Related Party Transaction, Expenses from Transactions with Related Party $ 3 $ 3 $ 3      
HSN, Inc.            
Related Party Transaction [Line Items]            
Remaining ownership interest acquired by parent       62.00%    
Ownership Percentage by Parent 100.00%          
CommerceHub, Inc.            
Related Party Transaction [Line Items]            
Ownership Percentage by Parent         99.00%  
QVC [Member] | Senior secured credit facilities            
Related Party Transaction [Line Items]            
Line of credit facility maximum borrowing capacity $ 3,250         2,250
Tranche One, Shared with Related Party [Member] | Senior secured credit facilities            
Related Party Transaction [Line Items]            
Line of credit facility maximum borrowing capacity 400         $ 400
Line of Credit Facility, Fair Value of Amount Outstanding $ 135