Structured entities - Additional Information (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Disclosure Of Structured Entities [Line Items] | ||
| Assets in structured entities | ¥ 22,435,594 | ¥ 22,506,844 |
| Fair value of assets transferred to structured entities at the end of current year | 148,305 | 167,071 |
| Fair value of associated financial liabilities | 147,673 | 166,321 |
| Consolidated structured entities [member] | ||
| Disclosure Of Structured Entities [Line Items] | ||
| Assets in structured entities | 4,439,856 | 3,653,520 |
| Securitization Transaction For Some Housing Loans [Member] | Long-term borrowings [member] | ||
| Disclosure Of Structured Entities [Line Items] | ||
| Liabilities occurred from the securitization transactions | 152,046 | 166,024 |
| Securitization Transaction For Some Housing Loans [Member] | SONY Investments And Advances In The Financial Services Segment [Member] | ||
| Disclosure Of Structured Entities [Line Items] | ||
| Assets that entity continues to recognise | ¥ 150,953 | ¥ 164,799 |
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- Definition The amount of transferred financial assets that the entity continues to recognise in full. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of liabilities associated with transferred financial assets that the entity continues to recognise in full. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The fair value of financial liabilities associated with transferred financial assets that are not derecognised in their entirety. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The fair value of transferred financial assets that are not derecognised in their entirety. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Classes of financial instruments [domain]; Financial liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of structured entities. No definition available.
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