v3.25.2
Joint Ventures (Details)
$ in Millions
3 Months Ended 6 Months Ended 24 Months Ended
Jul. 18, 2024
USD ($)
Jun. 30, 2025
USD ($)
customer
Jun. 30, 2025
Dec. 31, 2028
USD ($)
Lumos        
Joint Venture [Line Items]        
Expected investment to acquire interest in joint venture   $ 932    
Ownership interest in joint venture (percent)   50.00% 50.00%  
Number of fiber customers | customer   97,000    
Weighted average useful life     9 years  
Lumos | Forecast        
Joint Venture [Line Items]        
Expected investment to acquire interest in joint venture       $ 500
Metronet        
Joint Venture [Line Items]        
Expected investment to acquire interest in joint venture $ 4,600      
Ownership interest in joint venture (percent) 50.00%