v3.26.1
Employee Benefits (Tables)
12 Months Ended
Mar. 31, 2026
TextBlock1 [Abstract]  
Changes in Present Value of Defined Benefit Obligations and Fair Value of Plan Assets
The changes in present value of defined benefit obligations and fair value of plan assets of the Company and certain of its consolidated subsidiaries for the years ended March 31, 2025 and 2026 are as follows:
 

 
  
Yen (millions)
 
 
  
2025
 
 
2026
 
 
  
Japanese plans
 
 
Foreign plans
 
 
Japanese plans
 
 
Foreign plans
 
Present value of defined benefit obligations:
         
Balance at beginning of year
   ¥ 1,081,392     ¥ 1,037,123     ¥ 980,252      ¥ 1,006,596  
  
 
 
   
 
 
   
 
 
    
 
 
 
Current service cost
     24,203       19,077       21,419        19,615  
Interest cost
     16,392       50,717       21,486        50,632  
Plan participants’ contributions
     —        4,022        —         3,841  
Remeasurements:
         
Changes in demographic
assumptions
     980       1,982       (3,235 )      3,344  
Changes in financial assumptions
     (83,744     (28,838     (79,242 )      (19,047 )
Other
     3,325       8,516       (2,132 )      14,447  
Benefits paid
     (62,296     (63,038     (58,011 )      (72,880 )
Exchange differences on translating
foreign operations
     —        (22,965      —         79,598  
  
 
 
   
 
 
   
 
 
    
 
 
 
Balance at end of year
   ¥ 980,252     ¥ 1,006,596     ¥ 880,537      ¥ 1,086,146  
  
 
 
   
 
 
   
 
 
    
 
 
 
Fair value of plan assets:
         
Balance at beginning of year
   ¥ 1,247,059     ¥ 993,401     ¥ 1,199,267      ¥ 958,328  
  
 
 
   
 
 
   
 
 
    
 
 
 
Interest income
     19,164       52,338       26,657        48,176  
Actual return on plan assets, excluding
interest income
     (27,278     (19,496     63,950        7,757  
Employer contributions
     19,349       15,683       16,896        21,944  
Plan participants’ contributions
     —        4,022        —         3,841  
Benefits paid
     (59,027     (63,038     (55,091 )      (72,880
Exchange differences on translating
foreign operations
      —        (24,582      —         79,116  
  
 
 
   
 
 
   
 
 
    
 
 
 
Balance at end of year
   ¥ 1,199,267     ¥ 958,328     ¥ 1,251,679      ¥ 1,046,282  
  
 
 
   
 
 
   
 
 
    
 
 
 
Effects of asset ceiling
     195,916       37,807       345,141        70,054  
  
 
 
   
 
 
   
 
 
    
 
 
 
Net defined benefit liabilities (assets)
   ¥ (23,099   ¥ 86,075     ¥ (26,001    ¥ 109,918  
  
 
 
   
 
 
   
 
 
    
 
 
 
Fair Value of Japanese and Foreign Pension Plan Assets By Asset Category
The fair value of the Japanese and foreign pension plan assets by asset category as of March 31, 2025 and 2026 is as follows:
As of March 31, 2025
 
   
Yen (millions)
 
   
Japanese plans
   
Foreign plans
 
   
Market price in active
market
         
Market price in active
market
       
   
Quoted
   
Unquoted
   
Total
   
Quoted
   
Unquoted
   
Total
 
Cash and cash equivalents
  ¥ 22,760     ¥ —      ¥ 22,760     ¥ 8,124     ¥ —      ¥ 8,124  
Equity securities:
           
Japan
    22,005       —        22,005       546       —        546  
United States
    200,605       —        200,605       10,687       —        10,687  
Other
    145,261       70       145,331       4,685       2,048       6,733  
Debt securities:
           
Japan
    47,992       1,262       49,254       —        1,055       1,055  
United States
    145,869       23,544       169,413       —        163,424       163,424  
Other
    135,936       115,050       250,986       —        14,544       14,544  
Group annuity insurance:
           
General accounts
    —        39,871       39,871       —        —        —   
Separate accounts
    —        29,531       29,531       —        —        —   
Pooled funds:
           
Real estate funds
    —        209       209       —        70,336       70,336  
Private equity funds
    —        —        —        —        154,824       154,824  
Hedge funds
    —        120,414       120,414       —        26,400       26,400  
Commingled and other mutual funds
    1,038       158,217       159,255       —        459,546       459,546  
Other
    2       (10,369     (10,367     382       41,727       42,109  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Total
  ¥ 721,468     ¥ 477,799     ¥ 1,199,267     ¥ 24,424     ¥ 933,904     ¥ 958,328  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
 
 
As of March 31,
2026
 

 
 
Yen (millions)
 
 
 
Japanese plans
 
 
Foreign plans
 
 
 
Market price in active
market
 
 
 
 
 
Market price in active
market
 
 
 
 
 
 
Quoted
 
 
Unquoted
 
 
Total
 
 
Quoted
 
 
Unquoted
 
 
Total
 
Cash and cash equivalents
  ¥ 13,585     ¥ —      ¥ 13,585     ¥ 13,491     ¥ —      ¥ 13,491  
Equity securities:
           
Japan
    21,501       —        21,501       683       —        683  
United States
    207,710       —        207,710       12,903       —        12,903  
Other
    177,745       46       177,791       7,474       2,281       9,755  
Debt securities:
           
Japan
    42,351       1,862       44,213       —        1,508       1,508  
United States
    132,985       33,228       166,213       —        216,100       216,100  
Other
    110,580       152,253       262,833       —        15,405       15,405  
Group annuity insurance:
           
General accounts
    —        39,574       39,574       —        —        —   
Separate accounts
    —        34,851       34,851       —        —        —   
Pooled funds:
           
Real estate funds
    —        713       713       —        87,445       87,445  
Private equity funds
    —        —        —        —        144,927       144,927  
Hedge funds
    —        135,314       135,314       —        1,586       1,586  
Commingled and other mutual funds
    1,524       152,818       154,342       —        348,676       348,676  
Insurance Contracts
                            127,441       127,441  
Other
    (140     (6,821     (6,961     381       65,981       66,362  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Total
  ¥ 707,841     ¥ 543,838     ¥ 1,251,679     ¥ 34,932     ¥ 1,011,350     ¥ 1,046,282  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Significant Actuarial Assumptions Used to Determine Present Value of Defined Benefit Obligations
The significant actuarial assumptions used to determine the present value of defined benefit obligations as of March 31, 2025 and 2026 are as follows:
 

 
  
2025
 
 
2026
 
 
  
Japanese plans
 
 
Foreign plans
 
 
Japanese plans
 
 
Foreign plans
 
Discount rate
     2.3    
4.6 - 5.9
    3.1    
4.8 - 6.2
Rate of salary increase
     1.6    
2.0 - 4.9
    1.6    
2.0 - 3.5
Effects on Defined Benefit Obligations Due to Increase or Decrease in Discount Rate
The effects on defined benefit obligations of 0.5% increase or decrease in the discount rate as of March 31, 2025 and 2026 are as follows:
 

 
  
Yen (millions)
 
 
  
2025
 
  
2026
 
 
  
Japanese plans
 
  
Foreign plans
 
  
Japanese plans
 
  
Foreign plans
 
0.5% decrease
   ¥ 58,739 increase      ¥ 62,310 increase      ¥ 47,737 increase      ¥ 62,969 increase  
0.5% increase
   ¥ 53,176 decrease      ¥ 55,111 decrease      ¥ 43,353 decrease      ¥ 57,522 decrease  
Weighted Average Duration of Defined Benefit Obligations
The weighted average duration of defined benefit obligations as of March 31, 2025 and 2026 are as follows:
 

 
  
2025
 
  
2026
 
 
  
Japanese plans
 
  
Foreign plans
 
  
Japanese plans
 
  
Foreign plans
 
Weighted average duration of defined benefit obligations
     11 years        10 years        10 years        10 years  
Personnel Expenses Included in Consolidated Statements of Income
Personnel expenses included in the consolidated statements of income for the years ended March 31, 2024, 2025 and 2026 are as follows:
 

 
  
Yen (millions)
 
 
  
    2024    
 
  
    2025    
 
  
    2026    
 
Personnel expenses
   ¥ 1,807,731      ¥ 1,934,596      ¥ 2,021,349