v3.26.1
Lease Transactions (Maturity of the Lease Payment Receivables of Sales Type and Direct Financing Lease Transactions) (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Lease receivables of sales type and direct financing lease    
2027 ¥ 672,206  
2028 560,711  
2029 462,607  
2030 323,265  
2031 227,376  
2032 and thereafter 193,858  
Lease receivables (undiscounted) 2,440,023 ¥ 2,202,205
Difference between undiscounted cash flows and the lease receivables recognized on balance sheet (343,219)  
Amount on balance sheet 2,096,804  
Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract]    
2027 14,386  
2028 12,477  
2029 10,879  
2030 7,593  
2031 6,359  
2032 and thereafter 88,980  
Total undiscounted cash flows, lease payments of operating leases ¥ 140,674