Information about QVC's Operating Segments (Reconciliation of Adjusted OIBDA to Income before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting [Abstract]
Adjusted OIBDA Excluding Transaction Related Costs	$ 185	$ 260
Gain (Loss) on Disposition of Assets	0	1
Restructuring Costs	57	0
Stock-based compensation	(4)	(12)
Depreciation and amortization	(95)	(92)
Operating Income (Loss)	29	157
Interest expense, net	(60)	(62)
Foreign currency gain (loss)	(4)	(1)
Earnings (loss) before income taxes	$ (35)	$ 94