Note 21 Other Financial Liabilities (Details) - EUR (€) € in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Other financial liabilities [Line Items] | ||
| Other financial liabilities | € 22,339 | € 20,258 |
| Lease liabilities [member] | ||
| Other financial liabilities [Line Items] | ||
| Other financial liabilities | 1,458 | 1,463 |
| Creditors for other financial liabilities [Member] | ||
| Other financial liabilities [Line Items] | ||
| Other financial liabilities | 5,294 | 4,597 |
| Collection accounts [Member] | ||
| Other financial liabilities [Line Items] | ||
| Other financial liabilities | 6,511 | 4,450 |
| Creditors for other payment obligations [Member] | ||
| Other financial liabilities [Line Items] | ||
| Other financial liabilities | € 9,076 | € 9,748 |