Annual report pursuant to Section 13 and 15(d)

Information about QVC's Operating Segments (Long-lived Assets by Segment) (Details)

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Information about QVC's Operating Segments (Long-lived Assets by Segment) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Total assets $ 14,856 $ 14,319
Capital expenditures 228 152
Property and equipment, net 1,165 1,170
QVC-U.S.    
Segment Reporting Information [Line Items]    
Total assets 9,785 9,429
Capital expenditures 143 116
Property and equipment, net 555 559
QVC-International    
Segment Reporting Information [Line Items]    
Total assets 2,154 2,121
Capital expenditures 67 36
Property and equipment, net 454 446
HSN, Inc.    
Segment Reporting Information [Line Items]    
Total assets 2,917 2,769
Capital expenditures 18  
Property and equipment, net $ 156 $ 165