v3.25.2
Other assets and other liabilities - Summary of Changes in Product Warranties (Detail) - Warranty provision [member]
¥ in Millions
12 Months Ended
Mar. 31, 2025
JPY (¥)
Disclosure of other provisions [line items]  
Balance at beginning of the fiscal year ¥ 24,753
Additional product warranties 22,758
Amounts used during the year (24,089)
Unused amounts reversed during the year (1,594)
Translation adjustment (452)
Balance at end of the fiscal year ¥ 21,376