Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
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	13	4	13	4
Basic EPS (WA shares outstanding)	473	460	479	467
Potentially dilutive shares	5	6	6	7
Diluted EPS (WA shares outstanding)	478	466	485	474
Liberty Ventures common stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Basic EPS (WA shares outstanding)	142	141	142	141
Potentially dilutive shares	2	2	2	2
Diluted EPS (WA shares outstanding)	144	143	144	143