Preferred Stock (Details)			9 Months Ended
Preferred Stock (Details)	May 23, 2025	Sep. 14, 2020 USD ($) $ / shares	Sep. 30, 2025 USD ($) dividendPeriod $ / shares shares
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Preferred Stock, preferred dividends in arrears \| $			$ 61,000,000
Preferred stock, dividends in arrears (in dollars per share) \| $ / shares			$ 4.82
8.0% Series A cumulative redeemable preferred stock
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Preferred stock dividend rate (in percentage)		8.00%
Preferred stock par value (in dollars per share) \| $ / shares		$ 0.01
Preferred stock authorized (in shares) \| shares			13,500,000
Preferred shares issued (in shares) \| shares			12,723,158
Preferred shares outstanding (in shares) \| shares			12,723,158
Dividend redemption period (in days)		30 days
Preferred stock, liquidation preference \| $		$ 100
Minimum liquidation price excess for certain director election rights (in percentage)			25.00%
Number of consecutive dividend periods without dividends that will certain director elections rights (in days) \| dividendPeriod			2
Liquidation preference in (in dollars per share) \| $ / shares		$ 100
8.0% Series A cumulative redeemable preferred stock \| Quoted prices in active markets for identical assets (Level 1)
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Fair value of preferred stock \| $			$ 87,000,000
8.0% Series A cumulative redeemable preferred stock \| On or after the fifth anniversary of the Original Issue Date but prior to its sixth anniversary
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Redemption price (in percentage)		4.00%
8.0% Series A cumulative redeemable preferred stock \| On or after the sixth anniversary of the Original Issue Date but prior to its seventh anniversary
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Redemption price (in percentage)		2.00%
8.0% Series A cumulative redeemable preferred stock \| On or after the seventh anniversary of the Original Issue Date
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Redemption price (in percentage)		0.00%
8.0% Series A cumulative redeemable preferred stock \| Minimum
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Preferred stock dividend rate (in percentage)		8.00%
8.0% Series A cumulative redeemable preferred stock \| Maximum
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Preferred stock dividend rate (in percentage)	9.50%

QVC Group, Inc. 10-Q