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Consolidated shareholders’ equity - Summary of Characteristics of Employee Share Ownership Plans Awarded (Details) - € / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Feb. 03, 2022 | Feb. 04, 2021 | Feb. 05, 2020
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Subscription price (as a percent) | 80.00% | 80.00% | 80.00% |  |  |
Number of trading days preceding plan approval | 20 days | 20 days | 20 days |  |  |
Employees share ownership plan |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Subscription price (in euros per share) |  |  |  | € 80.21 | € 69.38 | € 70.67
Number of shares subscribed (in shares) |  |  |  | 1,909,008 | 2,438,590 | 2,467,101
Number of shares issued immediately as employer's contribution (in shares) |  |  |  | 118,049 | 124,112 | 123,615

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- Details
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