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

Segment Information - Other Information (Details)

v3.25.0.1
Segment Information - Other Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets $ 16,687 $ 15,641
Investments in affiliates 13,057 12,116
Capital expenditures 247 222
Operating segments | GCI Holdings    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets 3,390 3,340
Capital expenditures 247 222
Corporate and other    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets 13,297 12,301
Investments in affiliates $ 13,057 $ 12,116