Note 32 Eligible capital resources (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Eligible capital resources [Line Items] | ||||||||
| Issued capital | € 2,797 | € 2,824 | € 2,861 | |||||
| Share premium | 18,469 | 19,184 | 19,769 | |||||
| Total retained earnings revaluation reserves and other reserves breakdown by company | 46,550 | 42,507 | 38,251 | |||||
| Other equity interest | 40 | 40 | 40 | |||||
| Treasury shares | (299) | (66) | (34) | € (29) | ||||
| Profits or losses attributable to owners of the parent | 10,511 | 10,054 | 8,019 | |||||
| Interim dividends | (1,840) | (1,668) | (951) | |||||
| Shareholders funds eligible capital resources | 76,228 | 72,875 | 67,955 | |||||
| Accumulated other comprehensive income | (18,871) | (17,220) | (16,254) | |||||
| Non-controlling interests | 4,441 | 4,359 | 3,564 | |||||
| Adjusted initial balance | 61,798 | 60,014 | 55,265 | € 50,517 | ||||
| Goodwill and other intangible assets eligible capital resources | (1,691) | (1,553) | (1,421) | |||||
| Equity not eligible at solvency level eligible capital resources | (231) | (185) | (137) | |||||
| Other adjustments and deductions eligible capital resources | [1] | (9,430) | (7,476) | (7,591) | ||||
| Common equity tier 1 CET 1 eligible capital resources | 50,446 | 50,799 | 46,116 | |||||
| Tier 1 eligible capital resources | 5,488 | 6,023 | 6,033 | |||||
| Tier 2 eligible capital resources | 12,431 | 9,858 | 8,182 | |||||
| Total capital tier 1 tier 2 eligible capital resources | 68,365 | 66,680 | 60,332 | |||||
| Total minimum equity required eligible capital resources | [2] | € 53,403 | € 52,427 | € 47,455 | ||||
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- Definition Common equity tier 1 CET 1 eligible capital resources No definition available.
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- Definition Eligible capital resources No definition available.
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- Definition Equity not eligible at solvency level eligible capital resources No definition available.
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- Definition Goodwill and other intangible assets eligible capital resources No definition available.
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- Definition Interim dividends No definition available.
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- Definition Other adjustments and deductions eligible capital resources No definition available.
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- Definition Profit or loss attributable to owners of the parent No definition available.
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- Definition Shareholders funds eligible capital resources No definition available.
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- Definition Tier 1 eligible capital resources No definition available.
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- Definition Tier 2 eligible capital resources No definition available.
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- Definition Total capital tier 1 tier 2 eligible capital resources No definition available.
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- Definition Total minimum equity required eligible capital resources No definition available.
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- Definition Total retained earnings revaluation reserves and other reserves breakdown by company No definition available.
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of residual interest in the assets of the entity after deducting all its liabilities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The nominal value of capital issued. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount received or receivable from the issuance of the entity's shares in excess of nominal value. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition An entity’s own equity instruments, held by the entity or other members of the consolidated group. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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