Deferred Income Tax - Changes of Net Deferred Tax Assets and Liabilities (Detail) - JPY (¥) ¥ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Changes in Deferred Tax Assets and Liabilities [Line Items] | |||
| Deferred tax benefit | ¥ 152,515 | ¥ 310,959 | ¥ 56,011 |
| IFRS 9 [member] | |||
| Changes in Deferred Tax Assets and Liabilities [Line Items] | |||
| At beginning of period | (202,591) | (622,259) | |
| Deferred tax benefit | 152,515 | 310,959 | |
| Deferred tax relating to other comprehensive income: | |||
| Remeasurements of defined benefit plans reserve | (30,563) | 8,168 | |
| Financial instruments at fair value through other comprehensive income reserve | (121,432) | 103,410 | |
| Own credit on financial liabilities designated at fair value through profit or loss reserve | (200) | (3,013) | |
| Exchange differences on translating foreign operations reserve | (20) | ||
| Acquisition and disposal of subsidiaries and businesses | 524 | (314) | |
| Exchange differences and others | (1,650) | 478 | |
| At end of period | ¥ (203,397) | ¥ (202,591) | ¥ (622,259) |
| X | ||||||||||
- Definition The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to exchange differences on the translation of financial statements of foreign operations. [Refer: Other comprehensive income; Reserve of exchange differences on translation] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to financial assets measured at fair value through other comprehensive income applying paragraph 4.1.2A of IFRS 9. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to remeasurements of defined benefit plans. [Refer: Other comprehensive income; Reserve of remeasurements of defined benefit plans; Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Changes in deferred tax assets and liabilities. No definition available.
|
| X | ||||||||||
- Definition Income Tax Relating To Changes In Own credit on financial liabilities designated at fair value through profit or loss reserve. No definition available.
|
| X | ||||||||||
- Definition The amount of deferred tax liability (asset) resulting from acquisition and disposal of subsidiaries and businesses. No definition available.
|
| X | ||||||||||
- Definition The amount of deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity, and other adjustments. No definition available.
|
| X | ||||||||||
- Details
|