v3.25.2
Intangible assets (Tables)
12 Months Ended
Mar. 31, 2025
Disclosure Of Intangible Assets Explanatory [Abstract]  
Disclosure of Carrying Value of Intangible Assets
The carrying value of intangible assets is as follows:
 
    
Yen in millions
 
    
March 31,
 
    
 2024 
   
 2025 
 
Capitalized development costs
     638,337       582,606  
Software and other
     716,989       780,660  
  
 
 
   
 
 
 
Total
      1,355,326         1,363,266   
  
 
 
   
 
 
 
Disclosure of Changes In Cost, Accumulated Amortization of Intangible Assets
The changes in cost and accumulated amortization of intangible assets are as follows:
(Cost)
 
    
Yen in millions
 
    
Capitalized

development costs
   
Software and other
   
Total
 
Balance as of April 1, 2023
     1,159,435       965,395       2,124,830  
  
 
 
   
 
 
   
 
 
 
Additions
     —        109,051       109,051  
Internally developed
     124,788       136,107       260,895  
Sales or disposal
     (230,512     (133,477     (363,989
Foreign currency translation adjustments
     4,622       42,104       46,726  
Other
     0       20,715       20,715  
  
 
 
   
 
 
   
 
 
 
Balance as of March 31, 2024 . . . . . . . . . . . . . . . . . . . . . . .
     1,058,334       1,139,895       2,198,228  
  
 
 
   
 
 
   
 
 
 
Additions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     —        60,914       60,914  
Internally developed . . . . . . . . . . . . . . . . . . . . . . . . . .
     111,546       189,229       300,775  
Sales or disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     (98,495     (158,523     (257,018
Foreign currency translation adjustments . . . . . . . . . .
     (564     (4,850     (5,414
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     (3,839     (23,210     (27,050
  
 
 
   
 
 
   
 
 
 
Balance as of March 31, 2025
     1,066,981       1,203,454       2,270,435  
  
 
 
   
 
 
   
 
 
 
(Accumulated amortization)
 
    
Yen in millions
 
    
Capitalized

development costs
   
Software and other
   
Total
 
Balance as of April 1, 2023
     (489,823     (385,886     (875,708
  
 
 
   
 
 
   
 
 
 
Amortization
     (160,686     (129,956     (290,642
Sales or disposal
        230,512       117,841       348,353  
Foreign currency translation adjustments
     —        (22,633     (22,633
Other
     —        (2,272     (2,272
  
 
 
   
 
 
   
 
 
 
Balance as of March 31, 2024 . . . . . . . . . . . . . . . . . . . . . . .
     (419,997     (422,905     (842,902
  
 
 
   
 
 
   
 
 
 
Amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     (162,068     (145,632     (307,700
Sales or disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     98,495       144,423       242,919  
Foreign currency translation adjustments . . . . . . . . . .
     —        2,577       2,577  
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     (805 )     (1,257 )     (2,062 )
  
 
 
   
 
 
   
 
 
 
Balance as of March 31, 2025
     (484,375     (422,794     (907,169