Annual report [Section 13 and 15(d), not S-K Item 405]

Goodwill and Intangible Assets - Rollforward (Details)

v3.25.0.1
Goodwill and Intangible Assets - Rollforward (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Goodwill [Roll Forward]      
Goodwill $ 755 $ 755 $ 755
GCI Holdings      
Goodwill [Roll Forward]      
Goodwill $ 755 $ 755 $ 755