v3.26.1
Shareholders' Equity (Tables)
12 Months Ended
Mar. 31, 2026
Remeasurements of defined benefit plans [member]  
Statement1 [Line Items]  
Movement of Reserves
The movements of remeasurements of the defined benefit plans reserve for the fiscal years ended March 31, 2026, 2025 and 2024 were as follows:
 
    
For the fiscal year ended March 31,
 
    
2026
    
2025
   
2024
 
                     
    
(In millions)
 
At beginning of period
   ¥ 87,504      ¥  159,724     ¥  159,584  
Gains (losses) arising during the period, before tax
     96,497        (37,183     50,358  
Income tax (expense) benefit for changes arising during the period
     (30,563      8,168       (15,485
Amount attributable to
non-controlling
interests
     24        (102     44  
Share of other comprehensive income (loss) of associates and joint ventures
     339        (326     609  
Transfer from other reserves to retained earnings
     (58,805 )      (42,777     (35,386
  
 
 
    
 
 
   
 
 
 
At end of period
   ¥ 94,996      ¥ 87,504     ¥ 159,724  
  
 
 
    
 
 
   
 
 
 
Available-for-sale financial assets [member]  
Statement1 [Line Items]  
Movement of Reserves
The movements of the financial instruments at FVOCI reserve for the fiscal years ended March 31, 2026, 2025 and 2024 were as follows:
 
    
For the fiscal year ended March 31,
 
    
2026
    
2025
   
2024
 
                     
    
(In millions)
 
At beginning of period
   ¥ 2,160,119      ¥ 2,507,275     ¥ 1,575,193  
Gains (losses) arising during the period, before tax
     754,045        7,370       1,506,580  
Income tax (expense) benefit for changes arising during the period
     (238,104 )      (26,668     (454,951
Reclassification adjustments for (gains) losses included in net profit, before tax
     87,581        15,186       110,509  
Income tax (expense) benefit for reclassification adjustments
     (28,007 )      (5,693     (33,994
Amount attributable to
non-controlling
interests
     197        (37     (106
Share of other comprehensive income (loss) of associates and joint ventures
     4,000        1,951       8,578  
Transfer from other reserves to retained earnings
     (332,603 )      (339,265     (204,534
  
 
 
    
 
 
   
 
 
 
At end of period
   ¥ 2,407,228      ¥ 2,160,119     ¥ 2,507,275  
  
 
 
    
 
 
   
 
 
 
Exchange differences on translating foreign operations [member]  
Statement1 [Line Items]  
Movement of Reserves
The movements of exchange differences on translating the foreign operations reserve for the fiscal years ended March 31, 2026, 2025 and 2024 were as follows:
 
    
For the fiscal year ended March 31,
 
    
2026
    
2025
   
2024
 
                     
    
(In millions)
 
At beginning of period
   ¥ 1,407,837      ¥ 1,402,658     ¥ 884,790  
Gains (losses) arising during the period, before tax
     361,685        (32,479     528,441  
Income tax (expense) benefit for changes arising during the period
     12,231        (216     (3,447
Reclassification adjustments for (gains) losses included in net profit, before tax
     39,944        (640     (11,258
Income tax (expense) benefit for reclassification adjustments
     (12,231      196       3,447  
Amount attributable to
non-controlling
interests
     (711 )      46       (3,324
Share of other comprehensive income (loss) of associates and joint ventures
     18,843        38,272       4,009  
  
 
 
    
 
 
   
 
 
 
At end of period
   ¥ 1,827,598      ¥
 
1,407,837     ¥
 
1,402,658  
  
 
 
    
 
 
   
 
 
 
Own credit on financial liabilities designated at fair value through profit or loss reserve [Member]  
Statement1 [Line Items]  
Movement of Reserves
The movements of own credit on financial liabilities designated at fair value through profit or loss reserve for the fiscal years ended March 31, 2026, 2025 and 2024 were as follows:
 
    
For the fiscal year ended March 31,
 
    
2026
   
2025
   
2024
 
                    
    
(In millions)
 
At beginning of period
   ¥    7,675     ¥    1,177     ¥    9,433  
Gains (losses) arising during the period, before tax
     635       9,511       (11,900
Income tax (expense) benefit for changes arising during the period
     (200     (3,013     3,644  
  
 
 
   
 
 
   
 
 
 
At end of period
   ¥ 8,110     ¥ 7,675     ¥ 1,177  
  
 
 
   
 
 
   
 
 
 
Common stock [Member]  
Statement1 [Line Items]  
Number of Shares
The changes in the number of issued shares of common stock and common stock held by the Company during the fiscal years ended March 31, 2026, 2025 and 2024 were as follows:
 

 
 
For the fiscal year ended March 31,
 
 
 
2026
 
 
2025
 
 
2024
(1)
 
 
 
Outstanding
 
 
In treasury
 
 
Outstanding
 
 
In treasury
 
 
Outstanding
 
 
In treasury
 
At beginning of period
    3,884,445,458       10,651,848       4,012,587,252       70,763,598       4,124,073,582       90,211,950  
Net change
    (56,947,318     (19,729     (128,141,794     (60,111,750     (111,486,330     (19,448,352
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
At end of period
    3,827,498,140       10,632,119       3,884,445,458       10,651,848       4,012,587,252       70,763,598  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
 
(1)
As resolved by the board of directors on May 15, 2024, the Company implemented a stock split of its common stock with an effective date of October 1, 2024, whereby each share of common stock owned by shareholders listed or recorded in the closing register of shareholders on the record date of September 30, 2024 was split into three shares. The number of common stock outstanding and in treasury are calculated based on the assumption that the stock split had been implemented at the beginning of the fiscal year ended March 31, 2024.
Preferred stock [Member]  
Statement1 [Line Items]  
Number of Shares
The following table shows the number of shares of preferred stock at March 31, 2026 and 2025.
 

 
  
At March 31, 2026
 
  
At March 31, 2025
 
 
  
Authorized
 
  
Issued
 
  
Authorized
 
  
Issued
 
Type 5 preferred stock
     167,000               167,000         
Type 7 preferred stock
     167,000               167,000         
Type 8 preferred stock
     115,000               115,000         
Type 9 preferred stock
     115,000               115,000