v3.26.1
Capital Stock (Details)
$ / shares in Units, $ in Millions
 1 Months Ended
Jan. 07, 2021
$ / shares
shares
Nov. 30, 2025
shares
Jun. 30, 2026
USD ($)
director
classOfCommonShare
Class of Stock [Line Items]      
Classes of common shares | classOfCommonShare     2
Minimum number of directors up for election to entitle shareholders to vote | director     3
Percentage of directors up for election if more than minimum number     33.33%
Undeclared cumulative dividends | $     $ 150
Redemption value of preferred stock | $     $ 782
Preferred stock | Berkshire Hathaway | ION Media      
Class of Stock [Line Items]      
Preferred shares issued (in shares) 6,000    
Face value of preferred shares (in dollars per share) | $ / shares $ 100,000    
Preferred shares redemption price, as a percent 105.00%    
Preferred stock dividend rate if dividends not paid in cash 9.00%    
Common stock, Class A      
Class of Stock [Line Items]      
Number of rights issued for each share of common stock owned   1  
Exercisable stock rights, threshold percentage   10.00%  
Exercisable stock rights, discount on common stock (as a percent)   50.00%  
Common stock, Class A | Berkshire Hathaway | ION Media      
Class of Stock [Line Items]      
Number of shares purchasable by warrant (up to) (in shares) 23,100,000    
Exercise right of warrants (in dollars per share) | $ / shares $ 13