Income Tax - Summary of Deferred Tax Assets and Deferred Tax Liabilities on the Consolidated Statements of Financial Position (Details) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Income Tax [Abstract] | |||
| Deferred tax assets | ¥ 107,275 | ¥ 49,392 | |
| Deferred tax liabilities | 206 | 377 | |
| Deferred tax, net | ¥ 107,069 | ¥ 49,015 | ¥ 34,163 |
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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deferred tax assets net of deferred tax liabilities, when the absolute amount of deferred tax assets is greater than the absolute amount of deferred tax liabilities. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Income Tax. No definition available.
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