Note 17 Tangible assets by Spanish and foreign subsidiaries net assets values (Details) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|---|
| Tangible assets by Spanish and foreign subsidiaries [Line Items] | ||||
| Total tangible assets by Spanish and foreign subsidiaries | € 9,482 | € 9,759 | € 9,253 | € 8,737 |
| BBVA and Spanish Subsidiaries [Member] | ||||
| Tangible assets by Spanish and foreign subsidiaries [Line Items] | ||||
| Total tangible assets by Spanish and foreign subsidiaries | 4,082 | 4,129 | 4,183 | |
| Foreign subsidiaries [Member] | ||||
| Tangible assets by Spanish and foreign subsidiaries [Line Items] | ||||
| Total tangible assets by Spanish and foreign subsidiaries | € 5,400 | € 5,630 | € 5,071 |