Deposits (Summary of Deposits) (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Deposits [Abstract] | ||
| Time deposits | ¥ 2,315,820 | ¥ 2,073,007 |
| Other deposits | 309,736 | 376,805 |
| Total | ¥ 2,625,556 | ¥ 2,449,812 |
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- Definition Other Deposits No definition available.
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- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of time deposit liabilities, including certificates of deposit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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