Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Information about QVC's Operating Segments (Long-lived Assets by Segment) (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Property and equipment, net $ 981 $ 1,005
QVC-U.S.    
Segment Reporting Information [Line Items]    
Property and equipment, net 538 559
QVC- International    
Segment Reporting Information [Line Items]    
Property and equipment, net $ 443 $ 446