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

Investment in Charter Accounted for Using the Equity Method (Details)

v3.25.0.1
Investment in Charter Accounted for Using the Equity Method (Details) - USD ($)
$ in Millions
12 Months Ended
Nov. 12, 2024
Dec. 31, 2024
Jul. 02, 2024
Dec. 31, 2023
Mar. 31, 2023
Feb. 28, 2023
3.125% Exchangeable senior debentures due 2053            
Investments in affiliates accounted for using the Equity Method            
Interest rate (as a percent)   3.125% 3.125%   3.125% 3.125%
3.125% Exchangeable senior debentures due 2054            
Investments in affiliates accounted for using the Equity Method            
Interest rate (as a percent)   3.125% 3.125%      
Charter            
Investments in affiliates accounted for using the Equity Method            
Carrying value of equity method investment   $ 13,057   $ 12,116    
Market value of equity method investment   $ 15,500        
Ownership percentage   31.90%        
Fully diluted ownership percentage   26.00%        
Ownership capped percentage 25.01% 25.01%        
Stock repurchases value per month $ 100          
Minimum percentage of equity interests 25.25%