v3.26.1
Offsetting of financial assets and financial liabilities (Tables)
 12 Months Ended
Mar. 31, 2026
Offsetting Financial Assets And Financial Liabilities [Line Items]  
Information of Offsetting of Financial Assets and Financial Liabilities
The following table provides information about the offsetting of financial assets and financial liabilities at March 31, 2025 and 2026. The table includes derivatives, repurchase and resale agreements, and securities lending and borrowing transactions that are subject to enforceable master netting arrangements or similar agreements irrespective of whether or not they are offset on the Group’s consolidated balance sheets.
 
   
Gross amounts

recognized
    
Gross amounts

offset on the

balance sheet
    
Net amounts

presented on the
balance sheet
(2)
    
Amounts not offset on

the balance sheet
(3)
    
Net

amounts
  
   
Financial

instruments
(4)
    
Cash

collateral
  
                                     
   
(in billions of yen)
  
2025
            
Assets
(1)
:
            
Derivatives
     15,891       —        15,891
(5)
 		     (13,315 )      (850 )      1,725  
Receivables under resale agreements
     28,109       —        28,109
(6)
 		     (26,652 )      —        1,457  
Receivables under securities borrowing transactions
     2,078       —        2,078
(7)
 		     (2,048 )      —        31  
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
     46,078       —        46,078       (42,015 )      (850 )      3,213  
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Liabilities
(1)
:
            
Derivatives
     16,267       —        16,267
(5)
 		     (12,793 )      (1,579 )      1,894  
Payables under repurchase agreements
     38,395       —        38,395
(6)
 		     (37,550 )      —        845  
Payables under securities lending transactions
     1,675       —        1,675
(7)
 		     (1,585 )      —        89  
Other liabilities
(8)
     125       —        125       (125 )      —        —   
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
     56,461            —        56,461       (52,054 )      (1,579 )      2,828  
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
Gross amounts

recognized
    
Gross amounts

offset on the

balance sheet
    
Net amounts

presented on the
balance sheet
(2)
    
Amounts not offset on

the balance sheet
(3)
    
Net

amounts
  
   
Financial

instruments
(4)
    
Cash

collateral
  
                                     
   
(in billions of yen)
  
2026
            
Assets
(1)
:
            
Derivatives
     23,782       —        23,782
(5)
 		     (20,421 )     (1,480 )     1,880  
Receivables under resale agreements
     30,572       —        30,572
(6)
 		     (28,729 )     —        1,843  
Receivables under securities borrowing transactions
     1,761       —        1,761
(7)
 		     (1,740 )     —        20  
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
     56,114       —        56,114       (50,890 )     (1,480 )     3,744  
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Liabilities
(1)
:
            
Derivatives
     24,205       —        24,205
(5)
 		     (19,600 )     (1,991 )     2,614  
Payables under repurchase agreements
     37,732       —        37,732
(6)
 		     (35,906 )     —        1,826  
Payables under securities lending transactions
     2,067       —        2,067
(7)
 		     (1,950 )     —        117  
Other liabilities
(8)
     77       —        77       (77 )     —        —   
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
     64,081            —        64,081       (57,533 )     (1,991 )     4,558  
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
 
Notes:
(1)
Amounts relating to master netting arrangements or similar agreements where the MHFG Group does not have the legal right of
set-off
or where uncertainty exists as to the enforceability of these agreements are excluded. For derivatives, the table includes amounts relating to
over-the-counter
(“OTC”) and
OTC-cleared
derivatives that are subject to enforceable master netting arrangements or similar agreements.
(2)
Derivative assets and liabilities are recorded in Trading account assets and Trading account liabilities, respectively.
(3)
Amounts do not exceed the net amounts presented on the balance sheet and do not include the effect of overcollateralization, where it exists.
(4)
For derivatives, amounts include derivative assets or liabilities and securities collateral that are eligible for offsetting under enforceable master netting arrangements or similar agreements.
(5)
The amounts of derivative assets and liabilities subject to enforceable master netting arrangements or similar agreements were ¥15,324 billion and ¥15,722
 
billion, respectively, at March 31, 2025, and ¥23,448
 
billion and ¥23,745
 
billion, respectively, at March 31, 2026.
(6)
The amounts of Receivables under resale agreements and Payables under repurchase agreements subject to enforceable industry standard master repurchase agreements with netting terms were ¥26,995
 
billion and ¥37,646
 
billion, respectively, at March 31, 2025, and ¥29,092
 
billion and ¥36,715
 
billion, respectively, at March 31, 2026.
(7)
The amounts of Receivables under securities borrowing transactions and Payables under securities lending transactions subject to enforceable industry standard master lending agreements with netting terms were ¥2,078 billion and ¥1,602 billion, respectively, at March 31, 2025, and ¥1,761
 
billion and ¥1,968
 
billion, respectively, at March 31, 2026.
(8)
Amounts relate to transactions where the Group acts as lender in a securities lending agreement and receives securities that can be sold or pledged as collateral. In these transactions, the Group recognizes the securities received at fair value within Other assets and the obligation to return those securities as a liability within Other liabilities.