v3.25.2
Investment in Charter Accounted for Using the Equity Method - Class A common stock sold to Charter (Details) - USD ($)
$ in Millions
 1 Months Ended 6 Months Ended
Jul. 31, 2025
Jun. 30, 2025
Jun. 30, 2024
Investments in affiliates accounted for using the Equity Method      
Amount of Charter sold   $ 600 $ 116
Charter | Series A common stock      
Investments in affiliates accounted for using the Equity Method      
Number of Charter sold   1,634,261 343,903
Amount of Charter sold   $ 600 $ 116
Charter | Series A common stock | Subsequent event      
Investments in affiliates accounted for using the Equity Method      
Number of Charter sold 254,706    
Amount of Charter sold $ 100