v3.25.2
Research and development cost
 12 Months Ended
Mar. 31, 2025
Text block 1 [Abstract]  
Research and development cost
27. Research and development cost
Research and development costs consist of the following:
 
    
Yen in millions
  
    
For the years ended March 31,
  
    
 2023 
    
 2024 
    
 2025 
  
Research and development expenditures incurred during the year
       1,241,686        1,202,373        1,326,496  
Amount capitalized
      (181,634 )      (124,788 )      (111,546 ) 
Amortization of capitalized development costs
      164,512       160,686       162,068  
  
 
 
    
 
 
    
 
 
  
Total
      1,224,564       1,238,271       1,377,018