v3.26.1
Share-based Payments - Schedule of Number of Trust-type Stock Options Issued (Details) - shares
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Apr. 30, 2025
Aug. 29, 2022
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement   0 0      
1st Stock Options            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options   31,802,000 31,802,000 31,802,000    
2nd to 46th Trust-type Stock Options            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 3,807,000 4,011,000 4,299,000 4,516,000 7,047,000 11,636,000
Number of share options granted in share-based payment arrangement       4,589,000    
2nd to 46th Trust-type Stock Options | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 1,031,000         2,471,000
2nd to 46th Trust-type Stock Options | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 990,000         2,411,000
2nd to 46th Trust-type Stock Options | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 950,000         2,335,000
2nd to 46th Trust-type Stock Options | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 849,000         2,230,000
2nd to 46th Trust-type Stock Options | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 769,000         2,189,000
2nd to 46th Trust-type Stock Options | Market Condition One | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 444,000         843,000
2nd to 46th Trust-type Stock Options | Market Condition One | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 444,000         843,000
2nd to 46th Trust-type Stock Options | Market Condition One | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 442,000         843,000
2nd to 46th Trust-type Stock Options | Market Condition One | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 376,000         843,000
2nd to 46th Trust-type Stock Options | Market Condition One | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 342,000         838,000
2nd to 46th Trust-type Stock Options | Market Condition Two | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 187,000         416,000
2nd to 46th Trust-type Stock Options | Market Condition Two | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 165,000         387,000
2nd to 46th Trust-type Stock Options | Market Condition Two | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 152,000         387,000
2nd to 46th Trust-type Stock Options | Market Condition Two | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 144,000         386,000
2nd to 46th Trust-type Stock Options | Market Condition Two | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 136,000         386,000
2nd to 46th Trust-type Stock Options | Market Condition Three | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 123,000         359,000
2nd to 46th Trust-type Stock Options | Market Condition Three | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 115,000         328,000
2nd to 46th Trust-type Stock Options | Market Condition Three | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 107,000         324,000
2nd to 46th Trust-type Stock Options | Market Condition Three | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 98,000         308,000
2nd to 46th Trust-type Stock Options | Market Condition Three | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 89,000         308,000
2nd to 46th Trust-type Stock Options | Market Condition Four | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 82,000         248,000
2nd to 46th Trust-type Stock Options | Market Condition Four | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 74,000         248,000
2nd to 46th Trust-type Stock Options | Market Condition Four | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 63,000         192,000
2nd to 46th Trust-type Stock Options | Market Condition Four | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 51,000         108,000
2nd to 46th Trust-type Stock Options | Market Condition Four | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 38,000         108,000
2nd to 46th Trust-type Stock Options | Market Condition Five | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 52,000         174,000
2nd to 46th Trust-type Stock Options | Market Condition Five | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 50,000         174,000
2nd to 46th Trust-type Stock Options | Market Condition Five | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 47,000         161,000
2nd to 46th Trust-type Stock Options | Market Condition Five | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 44,000         161,000
2nd to 46th Trust-type Stock Options | Market Condition Five | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 31,000         125,000
2nd to 46th Trust-type Stock Options | Market Condition Six | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 28,000         73,000
2nd to 46th Trust-type Stock Options | Market Condition Six | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 28,000         73,000
2nd to 46th Trust-type Stock Options | Market Condition Six | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 27,000         73,000
2nd to 46th Trust-type Stock Options | Market Condition Six | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 26,000         73,000
2nd to 46th Trust-type Stock Options | Market Condition Six | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 26,000         73,000
2nd to 46th Trust-type Stock Options | Market Condition Seven | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 27,000         84,000
2nd to 46th Trust-type Stock Options | Market Condition Seven | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 27,000         84,000
2nd to 46th Trust-type Stock Options | Market Condition Seven | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 26,000         84,000
2nd to 46th Trust-type Stock Options | Market Condition Seven | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 25,000         80,000
2nd to 46th Trust-type Stock Options | Market Condition Seven | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 25,000         80,000
2nd to 46th Trust-type Stock Options | Market Condition Eight | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 36,000         107,000
2nd to 46th Trust-type Stock Options | Market Condition Eight | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 35,000         107,000
2nd to 46th Trust-type Stock Options | Market Condition Eight | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 35,000         104,000
2nd to 46th Trust-type Stock Options | Market Condition Eight | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 35,000         104,000
2nd to 46th Trust-type Stock Options | Market Condition Eight | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 33,000         104,000
2nd to 46th Trust-type Stock Options | Market Condition Nine | From April 1, 2024 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 52,000         167,000
2nd to 46th Trust-type Stock Options | Market Condition Nine | From April 1, 2025 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 52,000         167,000
2nd to 46th Trust-type Stock Options | Market Condition Nine | From April 1, 2026 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 51,000         167,000
2nd to 46th Trust-type Stock Options | Market Condition Nine | From April 1, 2027 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 50,000         167,000
2nd to 46th Trust-type Stock Options | Market Condition Nine | From April 1, 2028 to March 31, 2033            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 49,000         167,000
2nd to 6th Stock Options            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Grant date December 5, 2022          
Settlement method Equity-settled          
7th to 46th Stock Options            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Grant date December 5, 2022          
Settlement method Equity-settled          
47th Stock Option            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Grant date April 28, 2025          
Settlement method Equity-settled          
Shares of stock options 7,370,000          
Number of share options granted in share-based payment arrangement 7,625,000          
47th Stock Option | From April 25, 2027 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 1,625,000          
47th Stock Option | From April 29, 2028 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 1,582,000          
47th Stock Option | From April 29, 2029 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 1,529,000          
47th Stock Option | From April 29, 2030 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 1,472,000          
47th Stock Option | From April 29, 2031 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 1,417,000          
48th Stock Options            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Grant date April 28, 2025          
Settlement method Equity-settled          
Shares of stock options 535,000          
Number of share options granted in share-based payment arrangement 535,000          
48th Stock Options | From April 25, 2027 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 107,000          
48th Stock Options | From April 29, 2028 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 107,000          
48th Stock Options | From April 29, 2029 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 107,000          
48th Stock Options | From April 29, 2030 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 107,000          
48th Stock Options | From April 29, 2031 to April 23, 2035            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of share options granted in share-based payment arrangement 107,000          
49th Stock Options            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Shares of stock options 569,000          
Number of share options granted in share-based payment arrangement 569,000          
49th Stock Options | From June 1, 2025 to May 31, 2045            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Grant date April 28, 2025          
Settlement method Equity-settled          
Shares of stock options 569,000