v3.26.1
Lease Transactions (Maturities of Lease Liabilities) (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Undiscounted total lease payments: Finance leases, maturities in    
2027 ¥ 8,672  
2028 7,311  
2029 5,087  
2030 3,093  
2031 1,981  
2032 and thereafter 354  
Total undiscounted cash flows 26,498  
Difference between undiscounted and discounted cash flows (410)  
Amount on balance sheet 26,088 ¥ 21,460
Undiscounted total lease payments: Operating leases, maturities in    
2027 91,812  
2028 79,875  
2029 59,388  
2030 42,233  
2031 32,294  
2032 and thereafter 95,954  
Total undiscounted cash flows 401,556  
Difference between undiscounted and discounted cash flows (31,191)  
Amount on balance sheet ¥ 370,365 ¥ 341,499