v3.26.1
Preferred stock (Tables)
12 Months Ended
Mar. 31, 2026
Preferred stock  
Class of Stock [Line Items]  
Schedule of Stock by Class
The composition of preferred stock at March 31, 2024, 2025 and 2026 is as follows:
 
    
2024
    
2025
    
2026
 
Class of stock
  
Authorized
    
Issued
    
Authorized
    
Issued
    
Authorized
    
Issued
 
                                           
    
(number of shares)
 
Class XIV preferred stock
     90,000,000        —         90,000,000        —         90,000,000        —   
Class XV preferred stock
     90,000,000        —         90,000,000        —         90,000,000        —   
Class XVI preferred stock
     150,000,000        —         150,000,000        —         150,000,000        —