Income Tax - Components of Income Tax Expense (Benefit) (Details) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
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Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Income Tax [Abstract] | |||
| Current tax expense | ¥ 18,491 | ¥ 10,078 | ¥ 5,306 |
| Deferred tax expense (benefit) | (56,356) | (14,274) | (4,465) |
| Changes related to origination and reversal of temporary differences | (57,017) | (13,095) | (4,628) |
| Changes in the tax rate | 661 | (1,179) | 163 |
| Total | ¥ (37,865) | ¥ (4,196) | ¥ 841 |
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- References Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Changes related to origination and reversal of temporary differences. No definition available.
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- Definition Income Tax. No definition available.
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- Definition Income tax expense (benefit), changes in the tax rate. No definition available.
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