Subsequent Event - Additional Information (Detail) ¥ in Millions, $ in Millions |
1 Months Ended | ||
|---|---|---|---|
|
May 31, 2026
USD ($)
|
Mar. 31, 2026
JPY (¥)
|
Mar. 31, 2025
JPY (¥)
|
|
| Disclosure of non-adjusting events after reporting period [line items] | |||
| Contractual commitments for acquisition of property, plant and equipment | ¥ | ¥ 157,585 | ¥ 120,744 | |
| Entering into significant commitments or contingent liabilities [member] | |||
| Disclosure of non-adjusting events after reporting period [line items] | |||
| Contractual commitments for acquisition of property, plant and equipment | $ | $ 2,530 | ||
| Lease Term | 12 years |