v3.25.1
Joint Ventures (Details) - USD ($)
$ in Millions
3 Months Ended 24 Months Ended
Apr. 01, 2025
Jun. 30, 2025
Dec. 31, 2028
Lumos | Forecast      
Joint Venture [Line Items]      
Expected investment to acquire interest in joint venture     $ 500
Lumos | Subsequent Event      
Joint Venture [Line Items]      
Expected investment to acquire interest in joint venture $ 926    
Ownership interest in joint venture (percent) 50.00%    
Metronet | Forecast      
Joint Venture [Line Items]      
Expected investment to acquire interest in joint venture   $ 4,900  
Ownership interest in joint venture (percent)   50.00%