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Information about QVC's Operating Segments (Total Assets and Capital Expenditures by Segment) (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Segment Reporting Information [Line Items]    
Total assets $ 12,442 $ 16,141
Capital expenditures 135  
Property, Plant and Equipment, Net 504 $ 919
QxH [Member]    
Segment Reporting Information [Line Items]    
Total assets 10,675  
Capital expenditures 116  
Property, Plant and Equipment, Net 272  
QVC-International    
Segment Reporting Information [Line Items]    
Total assets 1,767  
Capital expenditures 19  
Property, Plant and Equipment, Net $ 232