Note 16 |
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| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of Investments In Subsidiaries Joint Ventures And Associates [Text Block] | Investments in joint ventures and associates Joint ventures and associates The breakdown of the balance of “Joint ventures and associates” in the consolidated balance sheets is as follows:
Details of the joint ventures and associates as of December 31, 2025 are shown in Appendix II. The following is a summary of the changes in the years ended December 31, 2025, 2024 and 2023 under this heading in the consolidated balance sheets:
(1) See Note 16.3. During the year 2025, there were no significant changes under the heading "Joint ventures and associates". During the year 2024, the most significant changes under the heading "Joint ventures and associates" correspond to Solaris and Compañía Española de Financiación del Desarrollo S.A. (Cofides) that left the scope of the consolidation perimeter in the first half of the year when the Group ceased to have significant influence in either entity. During the year 2023, the most significant change under the heading "Joint ventures and associates" corresponds to a capital increase in Atom Holdco Limited. Appendix III provides notifications on acquisitions and disposals of holdings in subsidiaries, joint ventures and associates, in compliance with article 155 of the Corporations Act and article 125 of the Securities Market Act 4/2015. Other information about associates and joint venturesIf these entities had been consolidated rather than accounted for using the equity method, the change in each of the lines of balance sheet and the consolidated income statement would not be significant. As of December 31, 2025, 2024 and 2023 there was no financial support agreement or other contractual commitment to associates and joint ventures entities from the holding or the subsidiaries that are not recognized in the financial statements (see Note 53.2). As of December 31, 2025, 2024 and 2023 there was no contingent liability in connection with the investments in joint ventures and associates (see Note 53.2). ImpairmentAs required by IAS 36, the book value of the associates and joint venture entities has been compared with their recoverable amount, with the latter being calculated as the higher between the value in use and the fair value minus the cost of sale. For the year ended December 31, 2025, a net reversal of impairment was recorded for €32 million; for the year ended December 31, 2024, a net reversal of impairment was recorded for €63 million; for the year ended December 31, 2023, a net impairment was recorded for €9 million (see Note 48).
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