Investments accounted for using the equity method - Disclosure of investments accounted for using the equity method (Details) - EUR (€) € in Millions	Dec. 31, 2025	Dec. 31, 2024
Investments accounted for using equity method [abstract]
Joint ventures	€ 5,229	€ 7,037
Associates	2,026	2,015
Other	21	48
Total Investments accounted for using the equity method	€ 7,276	€ 9,100

The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]]

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The amount of investments in associates accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method]

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The amount of investments in joint ventures accounted for using the equity method. [Refer: Total for all joint ventures [member]; Investments accounted for using equity method]

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Investments In Other Entities Accounted For Using Equity Method

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