v3.25.2
Research and development cost (Tables)
12 Months Ended
Mar. 31, 2025
Text block 1 [Abstract]  
Disclosure of Breakdown of Research and Development Expense
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