Equity - Dividends from Retained Earnings (Detail) - JPY (¥) ¥ / shares in Units, ¥ in Millions |
May 14, 2026 |
Nov. 07, 2025 |
May 13, 2025 |
Nov. 06, 2024 |
May 10, 2024 |
Nov. 09, 2023 |
May 11, 2023 |
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| Dividends 1 [abstract] | |||||||
| Dividend payout, Total amount of dividends (millions of yen) | ¥ 136,430 | ¥ 147,960 | ¥ 159,386 | ¥ 188,418 | ¥ 141,949 | ¥ 99,915 | |
| Dividend payout, Dividend per share (yen) | ¥ 35 | ¥ 34 | ¥ 34 | ¥ 39 | ¥ 87 | ¥ 60 | |
| Dividend payout, Record date | Sep. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Mar. 31, 2023 | |
| Dividend payout, Effective date | Dec. 05, 2025 | Jun. 05, 2025 | Dec. 04, 2024 | Jun. 04, 2024 | Dec. 05, 2023 | Jun. 06, 2023 | |
| Dividends payable, Total amount of dividends (millions of yen) | ¥ 136,430 | ||||||
| Dividends payable, Dividend per share (yen) | ¥ 35 | ||||||
| Dividends payable, Record date | Mar. 31, 2026 | ||||||
| Dividends payable, Effective date | Jun. 09, 2026 |
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- Definition Dividends. No definition available.
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- Definition Dividends effective date. No definition available.
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- Definition Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners, effective date No definition available.
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- Definition Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners, record date No definition available.
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- Definition Dividends record date. No definition available.
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- Definition The amount of dividends paid by the entity on ordinary shares. [Refer: Ordinary shares [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of dividends paid per ordinary share. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of dividends proposed or declared after the reporting period but before financial statements are authorised for issue. Such dividends are not recognised as a liability at the end of the reporting period because no obligation exists at that time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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