Income taxes - Summary of Income (Loss) Before Income Taxes and the Provision for Current and Deferred Income Taxes Attributable (Detail) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
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Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Disclosure Of Profit Loss Before Tax And Major Components Of Tax Expense Income [Abstract] | |||
| Income (loss) before income taxes: | ¥ 1,473,726 | ¥ 1,268,662 | ¥ 1,274,496 |
| Income tax expenses | |||
| Current | 292,287 | 271,045 | 304,881 |
| Deferred | 21,552 | 17,123 | (42,158) |
| Income tax expense, Total | ¥ 313,839 | ¥ 288,168 | ¥ 262,723 |
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- Definition The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period. 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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- Definition The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The profit (loss) before tax expense or income. [Refer: Profit (loss)] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Disclosure of profit loss before tax and major components of tax expense income. No definition available.
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