Income Taxes (Roll-forward of Unrecognized Tax Benefits) (Detail) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Roll-forward of unrecognized tax benefits: | |||
| Balance at beginning of fiscal year | ¥ 50,780 | ¥ 10,521 | ¥ 25,400 |
| Gross amount of increases for current year’s tax positions | 0 | 0 | 32 |
| Gross amount of increases for prior years’ tax positions | 33 | 40,882 | 0 |
| Gross amount of decreases for prior years’ tax positions | 0 | (23) | (16,719) |
| Net amount of changes relating to settlements with tax authorities | 0 | (2,258) | 0 |
| Decreases due to lapse of applicable statutes of limitations | 0 | (772) | 0 |
| Foreign exchange translation and other | (267) | 2,430 | 1,808 |
| Balance at end of fiscal year | ¥ 50,546 | ¥ 50,780 | ¥ 10,521 |
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- Definition Net amount of changes in unrecognized tax benefits resulting from foreign exchange translation and others. No definition available.
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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