Pledged Assets and Collateral (Associated Liabilities Collateralized by Pledged Assets) (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] | ||
| Deposits | ¥ 794,000 | ¥ 844,000 |
| Call money and funds purchased | 3,191,544 | 2,745,165 |
| Payables under repurchase agreements | 13,069,000 | 18,087,000 |
| Payables under securities lending transactions | 1,027,000 | 403,000 |
| Other short-term borrowings | 214,000 | 2,271,000 |
| Long-term debt | 3,888,000 | 576,000 |
| Total | 19,143,000 | 22,180,000 |
| Collateral Pledged [Member] | ||
| Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items] | ||
| Call money and funds purchased | ¥ 150 | ¥ 0 |
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- Definition Carrying value, as of the balance sheet date, of deposit liabilities to which pledged assets are related. No definition available.
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- Definition Carrying value, as of the balance sheet date, of other short-term borrowings to which pledged assets are related. No definition available.
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- Definition Carrying value, as of the balance sheet date, of payables under repurchase agreements to which pledged assets are related. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The value of the collateral (typically cash) that the entity receives in a financing transaction in exchange for securities lent. This item represents a liability in the financial statements of the lender of the securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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