v3.26.1
Other assets and other liabilities - Summary of Changes in Product Warranties (Detail) - Warranty provision [member]
¥ in Millions
12 Months Ended
Mar. 31, 2026
JPY (¥)
Disclosure of other provisions [line items]  
Balance at beginning of the fiscal year ¥ 21,376
Additional product warranties 17,661
Amounts used during the year (18,923)
Unused amounts reversed during the year (574)
Translation adjustment 2,169
Balance at end of the fiscal year ¥ 21,709