Quarterly report [Sections 13 or 15(d)]

Segment Information - Other Information (Details)

v3.25.1
Segment Information - Other Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets $ 16,995 $ 16,687
Investments in affiliates 13,060  
Capital expenditures 65  
Operating segments | GCI Holdings    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets 3,441  
Capital expenditures 65  
Corporate and other    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total assets 13,554  
Investments in affiliates $ 13,060