Offsetting of Financial Assets and Financial Liabilities (Information of Offsetting of Financial Assets and Financial Liabilities) (Parenthetical) (Detail) - JPY (¥) ¥ in Billions |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Offsetting Financial Assets And Financial Liabilities [Line Items] | ||
| Receivables under resale agreement subject to enforceable master netting arrangements | ¥ 29,092 | ¥ 26,995 |
| Payables under repurchase agreement subject to enforceable master netting arrangements | 36,715 | 37,646 |
| Receivables under securities transaction borrowing subject to master netting arrangement | 1,761 | 2,078 |
| Payables under securities transaction lending subject to master netting arragement | 1,968 | 1,602 |
| Subject To Enforceable Master Netting Arrangement | ||
| Offsetting Financial Assets And Financial Liabilities [Line Items] | ||
| Derivative assets subject to enforceable master netting arrangements | 23,448 | 15,324 |
| Derivative liabilities subject to enforceable master netting arrangements | ¥ 23,745 | ¥ 15,722 |
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- Definition Offsetting Financial Assets And Financial Liabilities [Line Items] No definition available.
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- Definition Payables Under Repurchase Agreement Subject To Enforceable Master Netting Arragement No definition available.
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- Definition Payables Under Securities Lending Transaction Subject To Master Netting Arragement. No definition available.
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- Definition Receivables Under Resale Agreement Subject To Enforceable Master Netting Arrangements No definition available.
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- Definition Receivables Under Securities Borrowing Transaction Subject To Master Netting Arrangement No definition available.
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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