v3.26.1
Securitizations and Variable Interest Entities (Tables)
12 Months Ended
Mar. 31, 2026
Securitizations and Variable Interest Entities [Abstract]  
Fair value of retained interests
   
Billions of yen
 
   
March 31, 2025
 
   
Level 1
   
Level 2
   
Level 3
   
Total
   
Investment

grade
   
Other
 
Government, agency and municipal securities
  ¥   —      ¥ 241     ¥   —      ¥   241     ¥   241     ¥   —   
Bank and corporate debt securities
    —        —        —        —        —        —   
CMBS and RMBS
    —        —        9       9       2       7  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Total
  ¥ —      ¥   241     ¥ 9     ¥ 250     ¥ 243     ¥ 7  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
   
Billions of yen
 
   
March 31, 2026
 
   
Level 1
   
Level 2
   
Level 3
   
Total
   
Investment

grade
   
Other
 
Government, agency and municipal securities
  ¥   —      ¥ 192     ¥   —      ¥   192     ¥   192     ¥   —   
Bank and corporate debt securities
    —        —        —        —        —        —   
CMBS and RMBS
    —        —        16       16       —        16  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Total
  ¥ —      ¥   192     ¥ 16     ¥ 208     ¥ 192     ¥ 16  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Type and carrying value of financial assets
 
  
Billions of yen
 
  
March 31
 
 
  
2025
 
  
2026
 
Assets
  
  
Trading assets
  
  
Japanese government securities
   ¥ 1      ¥ 2  
Loans for trading purposes
     66        197  
Loans receivable
     481        432  
  
 
 
    
 
 
 
Total
   ¥    548      ¥   631  
  
 
 
    
 
 
 
Liabilities
     
Borrowings
   ¥ 548      ¥ 631  
  
 
 
    
 
 
 
Classification of consolidated VIEs' assets and liabilities
    
Billions of yen
 
    
March 31
 
    
2025
    
2026
 
Consolidated VIE assets
     
Cash and cash equivalents
   ¥ 14      ¥     41  
Trading assets
     
Equities
     527        531  
Debt securities
     643        647  
CMBS and RMBS
     64        54  
Derivatives
     1        1  
Private equity and debt investments
     83        160  
Office buildings, land, equipment and facilities
     3        61  
Other
     236        177  
  
 
 
    
 
 
 
Total
   ¥  1,571      ¥  1,672  
  
 
 
    
 
 
 
Consolidated VIE liabilities
     
Trading liabilities
     
Derivatives
     0        1  
Borrowings
     
Short-term borrowings
     112        69  
Long-term borrowings
     935        839  
Other
     156        119  
  
 
 
    
 
 
 
Total
   ¥ 1,203      ¥ 1,028  
  
 
 
    
 
 
 
Carrying amount of assets and liabilities of unconsolidated VIEs
    
Billions of yen
 
    
March 31, 2025
 
    
Carrying amount of variable interests
    
Maximum exposure

to loss to

unconsolidated VIEs
 
    
Assets
    
Liabilities
 
Trading assets and liabilities
        
Equities
   ¥ 23      ¥   —        ¥ 23  
Debt securities
     80        —          80  
CMBS and RMBS
     3,288        —          3,288  
Investment trust funds and other
     129        —          129  
Private equity and debt investments
     23        —          23  
Loans
     1,712        —          1,712  
Other
     23        —          23  
Commitments to extend credit and other guarantees
     —         —          167  
  
 
 
    
 
 
    
 
 
 
Total
   ¥ 5,278      ¥ —        ¥ 5,445  
  
 
 
    
 
 
    
 
 
 
    
Billions of yen
 
    
March 31, 2026
 
    
Carrying amount of variable interests
    
Maximum exposure

to loss to

unconsolidated VIEs
 
    
Assets
    
Liabilities
 
Trading assets and liabilities
        
Equities
   ¥ 23      ¥   —        ¥ 23  
Debt securities
     63        —          63  
CMBS and RMBS
     2,807        —          2,807  
Investment trust funds and other
     187        —          187  
Private equity and debt investments
     20        —          20  
Loans
     2,205        —          2,205  
Other
     32        —          32  
Commitments to extend credit and other guarantees
     —         —          188  
  
 
 
    
 
 
    
 
 
 
Total
   ¥   5,337      ¥ —        ¥    5,525