v3.26.1
Assets held for sale - Additional Information (Detail) - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Noncurrent Assets Or Disposal Groups Classified As Held For Sale [Line Items]    
Amount recognised in other comprehensive income and accumulated in equity relating to non-current assets or disposal groups held for sale ¥ 266,596 ¥ 0
Non-current assets held for sale [member]    
Noncurrent Assets Or Disposal Groups Classified As Held For Sale [Line Items]    
Impairment loss recognised in profit or loss 2,995  
Non-current assets held for sale [member] | Toyota Industries Corporation [Member]    
Noncurrent Assets Or Disposal Groups Classified As Held For Sale [Line Items]    
Non-current assets or disposal groups classified as held for sale 788,898  
Amount recognised in other comprehensive income and accumulated in equity relating to non-current assets or disposal groups held for sale 264,035  
Reserve of gains and losses on financial assets measured at fair value through other comprehensive income 155,804  
Reserve of exchange differences on translation ¥ 108,231