Note 22 Other Financial Liabilities (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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|---|---|---|---|---|---|
| Other financial liabilities [Line Items] | |||||
| Other financial liabilities | € 20,258 | € 17,753 | € 15,046 | ||
| Lease liabilities [member] | |||||
| Other financial liabilities [Line Items] | |||||
| Other financial liabilities | 1,463 | 1,467 | 1,507 | ||
| Creditors for other financial liabilities [Member] | |||||
| Other financial liabilities [Line Items] | |||||
| Other financial liabilities | 4,597 | 4,859 | 3,439 | ||
| Collection accounts [Member] | |||||
| Other financial liabilities [Line Items] | |||||
| Other financial liabilities | 4,450 | 3,693 | 3,642 | ||
| Creditors for other payment obligations [Member] | |||||
| Other financial liabilities [Line Items] | |||||
| Other financial liabilities | [1] | € 9,748 | € 7,734 | € 6,458 | |
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