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Basis of Presentation - Historical Spin-Off Arrangements (Details) - Affiliated entity - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Liberty          
Related Party Transaction [Line Items]          
Reimbursable amount $ 2 $ 2 $ 7 $ 5  
QVC Group          
Related Party Transaction [Line Items]          
Tax sharing receivable $ 10   $ 10   $ 20