Debt (Debt Schedule) (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Debt Issuance Costs, Current, Net	$ 23	$ 24
Debt and Lease Obligation	5,025	5,024
Debt, Current	(5,024)	(5,023)
Long-term Debt, Excluding Current Maturities	1	1
4.75% Senior Secured Notes
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 44	$ 44
4.75% Senior Secured Notes \| QVC
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.75%	4.75%
4.375% Senior Secured Notes due 2028
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 72	$ 72
4.375% Senior Secured Notes due 2028 \| QVC
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.375%	4.375%
6.875% Senior Secured Notes
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 605	$ 605
6.875% Senior Secured Notes \| QVC
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.875%	6.875%
5.45% Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 400	$ 400
5.45% Senior Secured Notes [Member] \| QVC
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.45%	5.45%
5.950% Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 300	$ 300
5.950% Senior Secured Notes [Member] \| QVC
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.95%	5.95%
6.375% Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 225	$ 225
6.375% Senior Secured Notes [Member] \| QVC
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.375%	6.375%
6.25% Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 500	$ 500
6.25% Senior Secured Notes [Member] \| QVC
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.25%	6.25%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument Net of Unamortized Discounts Premium	$ 2,900	$ 2,900
Finance lease obligations
Debt Instrument [Line Items]
Finance Lease, Liability	$ 2	$ 2

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Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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