Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details)

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Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
QVC Group Common Stock        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 16,000,000 13,000,000 16,000,000 13,000,000
Basic EPS (WA shares outstanding) 451,000,000 479,000,000 452,000,000 482,000,000
Potentially dilutive shares 4,000,000 6,000,000 3,000,000 6,000,000
Diluted EPS (WA shares outstanding) 455,000,000 485,000,000 455,000,000 488,000,000
Liberty Ventures common stock        
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 1,000,000 0 1,000,000
Basic EPS (WA shares outstanding) 85,000,000 142,000,000 85,000,000 142,000,000
Potentially dilutive shares 1,000,000 1,000,000 1,000,000 1,000,000
Diluted EPS (WA shares outstanding) 86,000,000 143,000,000 86,000,000 143,000,000