Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) - QVC
$ in Millions
 1 Months Ended
Oct. 05, 2018
USD ($)
ft²
item
Jul. 02, 2015
USD ($)
ft²
item
Aug. 31, 2018
USD ($)
West Coast Distribution Center Lease      
Long-term Purchase Commitment [Line Items]      
Area of leased building (in square feet) | ft²   1,000,000  
Lessee, Operating Lease, Term of Contract   15 years  
Operating Leases, Rent Expense   $ 6  
Operating Lease, Rent Expense In Final Year Of Initial Term   $ 8  
Maximum number of terms eligible for extension | item   2  
Lessee, Operating Lease, Renewal Term   10 years  
Initial Payment to Purchase Land     $ 10
Subsequent Annual Payments to Purchase Land     $ 12
Term of Annual Payments for Land Purchase     13 years
ECDC Lease      
Long-term Purchase Commitment [Line Items]      
Area of leased building (in square feet) | ft² 1.7    
Lessee, Operating Lease, Term of Contract 15 years    
Maximum number of terms eligible for extension | item 2    
Lessee, Operating Lease, Renewal Term 5 years    
Lessee operating lease, final renewal term 4 years    
ECDC Lease | Minimum      
Long-term Purchase Commitment [Line Items]      
Operating Leases, Rent Expense $ 10    
ECDC Lease | Maximum      
Long-term Purchase Commitment [Line Items]      
Operating Leases, Rent Expense $ 14