v3.26.1
Equipment on Operating Leases - Changes in Cost, Accumulated Depreciation and Impairment Losses, and the Carrying Amounts of Equipment on Operating Leases (Detail) - Equipment on operating leases [member] - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning balance ¥ 5,748,187  
Ending balance 6,433,793 ¥ 5,748,187
Cost [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning balance 7,091,119 6,678,707
Additions 2,764,248 3,134,025
Sales or disposal (2,211,986) (2,608,962)
Exchange differences on translating foreign operations 436,078 (112,651)
Other
Ending balance 8,079,459 7,091,119
Accumulated depreciation and impairment losses [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning balance (1,342,932) (1,475,939)
Depreciation (954,102) (876,860)
Sales or disposal 815,485 1,020,755
Exchange differences on translating foreign operations (78,931) 21,499
Other (85,186) [1] (32,387)
Ending balance ¥ (1,645,666) ¥ (1,342,932)
[1] Other for the year ended March 31, 2026 includes impairment losses on leased electric vehicles, mainly due to declines in estimated end of term residual values.