Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Details)

Commitments And Contingencies (Details) - QVC - West Coast Distribution Center Lease
$ in Millions
6 Months Ended
Jul. 02, 2015
USD ($)
Jun. 30, 2016
USD ($)
Long-term Purchase Commitment [Line Items]    
Area of leased building (in square feet) | ft² 1,000,000  
Lessee Leasing Arrangements, Operating Leases, 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 Leasing Arrangements, Operating Leases, 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  
Construction in Progress Expenditures Incurred but Not yet Paid   $ 100