v3.26.1
Share-based Payments - Schedule of Stock Options and Awards (Details 1)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
1st Stock Options      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Weighted average remaining contractual lives   5 years 6 months 6 years 6 months
2nd to 46th Trust-type Stock Options      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Weighted average remaining contractual lives 7 years 8 years 9 years
47th Stock Option      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Weighted average remaining contractual lives 9 years 1 month 6 days    
48th Stock Options      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Weighted average remaining contractual lives 9 years 1 month 6 days    
49th Stock Options      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Weighted average remaining contractual lives 19 years 2 months 12 days    
Phantom stock awards      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Weighted average remaining contractual lives 8 years 4 months 24 days 8 years 9 years