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

Segment Information - Performance Measures (Details)

v3.25.0.1
Segment Information - Performance Measures (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue $ 1,016 $ 981 $ 975
Operating expense (excluding stock-based compensation) (257) (245) (253)
Selling, general and administrative expense (excluding stock-based compensation) (432) (399) (395)
Adjusted OIBDA 327 337 327
GCI Holdings      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 1,016 981 969
Operating segments | GCI Holdings      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 1,016 981 969
Operating expense (excluding stock-based compensation) (257) (245) (250)
Selling, general and administrative expense (excluding stock-based compensation) (397) (375) (361)
Adjusted OIBDA 362 361 358
Corporate and other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue     6
Operating expense (excluding stock-based compensation)     (3)
Selling, general and administrative expense (excluding stock-based compensation) (35) (24) (34)
Adjusted OIBDA $ (35) $ (24) $ (31)