Quarterly report pursuant to Section 13 or 15(d)

Information about QVC's Operating Segments (Total Assets and Capital Expenditures by Segment) (Details)

v3.8.0.1
Information about QVC's Operating Segments (Total Assets and Capital Expenditures by Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Total assets $ 11,484 $ 11,550
Capital expenditures 36 152
QVC-U.S.    
Segment Reporting Information [Line Items]    
Total assets 9,253 9,429
Capital expenditures 21 116
QVC-International    
Segment Reporting Information [Line Items]    
Total assets 2,231 2,121
Capital expenditures $ 15 $ 36