Shareholders' equity and share-based payments - Variation of the number of shares composing the share capital (Details) - shares |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Variation of the number of shares composing the share capital | ||||
| Common shares issued as of the end of the period | 2,206,585,543 | |||
| Treasury shares | 63,702,529 | 149,529,818 | 60,543,213 | 137,187,667 |
| Common shares issued | ||||
| Variation of the number of shares composing the share capital | ||||
| Common shares issued as of the beginning of the period | 2,397,679,661 | 2,412,251,835 | 2,619,131,285 | |
| Capital reduction by cancellation of treasury shares | (202,243,171) | (25,405,361) | (214,881,605) | |
| Capital increase reserved for employees | 11,149,053 | 10,833,187 | 8,002,155 | |
| Common shares issued as of the end of the period | 2,206,585,543 | 2,397,679,661 | 2,412,251,835 | |