Qurate Retail, Inc. Annual report pursuant to Section 13 and 15(d)

Information about QVC's Operating Segments (Revenue and Adjusted OIBDA by Segment) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net revenue	$ 3,555	$ 2,569	$ 2,556	$ 2,602	$ 2,817	$ 2,010	$ 1,979	$ 1,965	$ 11,282	$ 8,771	$ 8,682
Adjusted OIBDA									2,059	1,906	1,840
QVC-U.S.
Segment Reporting Information [Line Items]
Net revenue									6,349	6,140	6,120
Adjusted OIBDA									1,417	1,455	1,435
QVC-International
Segment Reporting Information [Line Items]
Net revenue									2,738	2,631	2,562
Adjusted OIBDA									429	$ 451	$ 405
HSN, Inc.
Segment Reporting Information [Line Items]
Net revenue									2,202
Adjusted OIBDA									213
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net revenue									(7)
Adjusted OIBDA									$ 0