v3.25.2
Segment Information - Other performance measures (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue $ 261 $ 246 $ 527 $ 491
Operating expense (excluding stock-based compensation) (58) (62) (116) (124)
Selling, general and administrative expense (excluding stock-based compensation) (104) (104) (213) (202)
Adjusted OIBDA 99 80 198 165
Operating segments | GCI Holdings        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 261 246 527 491
Operating expense (excluding stock-based compensation) (58) (62) (116) (124)
Selling, general and administrative expense (excluding stock-based compensation) (95) (98) (192) (191)
Adjusted OIBDA 108 86 219 176
Corporate and other        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Selling, general and administrative expense (excluding stock-based compensation) (9) (6) (21) (11)
Adjusted OIBDA $ (9) $ (6) $ (21) $ (11)