v3.26.1
Other Financial Assets - Schedule of Other Financial Assets (Details) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Disclosure of financial assets [line items]    
Derivative financial instruments (Note 26) ¥ 167,920 ¥ 84,369
Investments in equity instruments (Note 26) 173,034 151,687
Financial assets associated with contingent consideration arrangements (Note 26) 10,488 10,197
Other 15,244 23,576
Total 481,829 371,600
Non-current 439,941 351,124
Current 41,888 20,476
Convertible notes    
Disclosure of financial assets [line items]    
Investments in financial assets at fair value through P&L 8,776 10,424
Debt securities    
Disclosure of financial assets [line items]    
Investments in financial assets at fair value through P&L ¥ 106,366 ¥ 91,348