Offsetting Financial Assets and Liabilities - Summary of Offsetting Financial Assets and Financial Liabilities (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Other financial assets derivatives [Member] | ||
| Disclosure of other derivatives financial assets and financial liabilities [Line items] | ||
| Gross amounts of recognized financial assets and financial liabilities | ¥ 479,447 | ¥ 483,378 |
| Financial instruments, Amounts not offset | (138,762) | (131,836) |
| Collateral of financial instruments, Amounts not offset | (63,177) | (67,495) |
| Net amount | 277,508 | 284,046 |
| Other financial liabilities derivatives [Member] | ||
| Disclosure of other derivatives financial assets and financial liabilities [Line items] | ||
| Gross amounts of recognized financial assets and financial liabilities | 357,955 | 319,881 |
| Financial instruments, Amounts not offset | (138,762) | (131,836) |
| Collateral of financial instruments, Amounts not offset | (23,138) | (73,689) |
| Net amount | ¥ 196,055 | ¥ 114,356 |
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- Definition The amount of cash collateral pledged that is subject to an enforceable master netting arrangement or similar agreement and that is not set off against financial liabilities. [Refer: Financial liabilities] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of cash collateral received that is subject to an enforceable master netting arrangement or similar agreement and that is not set off against financial assets. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of financial instruments subject to an enforceable master netting arrangement or similar agreement that are not set off against financial assets. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of financial instruments subject to an enforceable master netting arrangement or similar agreement that are not set off against financial liabilities. [Refer: Financial liabilities] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The gross amount of recognised financial assets that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The gross amount of recognised financial liabilities that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial assets, from the net amount of financial assets subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial liabilities, from the net amount of financial liabilities subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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