v3.26.1
Short-term borrowings and long-term debt (Tables)
12 Months Ended
Mar. 31, 2026
Short-Term Debt [Line Items]  
Details of Other Short-Term Borrowings
Details of Other short-term borrowings at March 31, 2025 and 2026 are as follows:
 
    
  2025  
    
  2026  
 
               
    
(in millions of yen)
 
Short-term notes issued by consolidated VIEs of asset-backed commercial paper programs
(1)
     157,118        171,041  
Commercial paper and short-term notes issued by MHFG’s subsidiaries
(1) (2)
     2,705,133        2,275,299  
Borrowings from the Bank of Japan
     2,270,980        214,052  
Other
     404,119        262,607  
  
 
 
    
 
 
 
Total
      5,537,351        2,922,999  
  
 
 
    
 
 
 
 
Notes:
(1)
Short-term notes are issued under the laws of Japan in the form of commercial paper. 
(2)
The amounts of commercial paper and short-term notes issued by MHFG’s subsidiaries were ¥2,138,133 million and ¥567,000 million, respectively, at March 31, 2025, and ¥1,921,799 million and ¥353,500 million, respectively, at March 31, 2026.
Long-Term Debt with Original Maturities of More than One Year
Long-term debt with original maturities of more than one year at March 31, 2025 and 2026 is comprised of the following:
 
    
  2025  
    
  2026  
 
               
    
(in millions of yen)
 
Obligations under
finance leases
     30,858        26,470  
Loan participation borrowings
     272,164        366,766  
Senior borrowings and bonds
     11,072,660        16,673,563  
Subordinated borrowings and bonds
     3,538,438        3,771,702  
  
 
 
    
 
 
 
Total
     14,914,120        20,838,501  
  
 
 
    
 
 
 
Interest Rates and Maturities of Senior Borrowings and Bonds, and Subordinated Borrowings and Bonds
The following table presents the interest rates and maturities of senior borrowings and bonds, and subordinated borrowings and bonds:
 
   
Interest rates 
(1)
   
Maturities
(2)
 
  2025  
   
  2026  
 
                       
   
(%)
       
(in millions of yen)
 
Senior borrowings and bonds:
       
fixed rate denominated in Japanese yen
   
0.00-5.15
   
Apr.2026
-
Mar.2056
    1,519,315       4,676,495  
fixed rate denominated in U.S. dollars
   
0.00-5.95
   
Apr.2026
-
Mar.2048
    4,382,480       5,124,262  
fixed rate denominated in other currencies
   
0.00-6.03
   
Apr.2026
-
May.2041
    2,347,671       2,993,771  
floating rate denominated in Japanese yen
   
0.00-25.00
   
Apr.2026
-
Sep.2081
    591,004       765,345  
floating rate denominated in U.S. dollars
   
0.00-169.50
   
Apr.2026
-
Nov.2067
    2,175,327       3,095,371  
floating rate denominated in other currencies
   
0.00-10.00
   
Sep.2027
-
Sep.2041
    56,863       18,320  
     
 
 
   
 
 
 
Total
        11,072,660       16,673,563  
     
 
 
   
 
 
 
 

 
 
Interest rates 
(1)
 
 
Maturities
(2)
 
  2025  
 
 
  2026  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(%)
 
 
 
 
(in millions of yen)
 
Subordinated borrowings and bonds:
 
 
 
 
fixed rate denominated in Japanese yen
   
0.41-4.26
   
Jun.2026
-Perpetual
    3,276,760       3,611,772  
fixed rate denominated in U.S. dollars
   
2.56-2.56
   
Sep.2031
-
Sep.2031
    261,678       159,930  
     
 
 
   
 
 
 
Total
        3,538,438       3,771,702  
     
 
 
   
 
 
 
Total
        14,611,098       20,445,265  
     
 
 
   
 
 
 
 
Notes:
(1)
The interest rates disclosed reflect the range of contractual rates in effect at March 31, 2026.
(2)
Maturity information disclosed is the range of maturities at March 31, 2026.
(3)
None of the long-term debt issuances above are convertible to common stock.
(4)
Certain debt agreements permit the MHFG Group to redeem the related debt, in whole or in part, prior to maturity at the MHFG Group’s option on terms specified in the respective agreements.
Contractual Maturities of Long-Term Debt
The following is a summary of contractual maturities of long-term debt subsequent to March 31, 2026:
 
    
(in millions of yen)
 
Fiscal year ending March 31:
  
2027
     4,983,631  
2028
     2,602,911  
2029
     1,228,200  
2030
     1,363,025  
2031
     2,067,460  
2032 and thereafter
     8,593,273  
  
 
 
 
Total
     20,838,501