v3.25.2
Segment Information - Other Information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets $ 16,593 $ 16,687
Investments in affiliates 13,080  
Capital expenditures 119  
Operating segments | GCI Holdings    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets 3,363  
Capital expenditures 119  
Corporate and other    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets 13,230  
Investments in affiliates $ 13,080