Quarterly report [Sections 13 or 15(d)]

Business & Basis of Presentation (Details)

v3.26.1
Business & Basis of Presentation (Details)
3 Months Ended
Sep. 09, 2024
$ / shares
Mar. 31, 2026
segment
satelliteRadioSystem
$ / shares
Dec. 31, 2025
$ / shares
Related Party Transaction [Line Items]      
Number of reportable segments | segment   2  
Common stock, par value (in USD per share) | $ / shares   $ 0.001 $ 0.001
Conversion ratio 0.1    
Number of operating segments | segment   2  
Number of satellite radio systems | satelliteRadioSystem   2  
Liberty Sirius XM      
Related Party Transaction [Line Items]      
Common stock, par value (in USD per share) | $ / shares $ 0.001    
Sirius XM Canada | Equity Method Investee      
Related Party Transaction [Line Items]      
Equity method investment, equity interest percentage   70.00%  
Equity method investment, voting interest percentage   33.00%