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Personnel costs (Tables) | 12 Months Ended
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Dec. 31, 2022
Employee Benefits [Abstract] |
Summary of Personal Costs | Total personnel costs (other than termination benefits, presented in Note D.27.) include the following items:
(€ million) | 2022 | 2021 | 2020
Salaries | 7,145 |  | 6,625 |  | 6,508 |
Social security charges (including defined-contribution pension plans) | 2,098 |  | 1,929 |  | 1,874 |
Stock options and other share-based payment expense | 245 |  | 244 |  | 274 |
Defined-benefit plans(a) | 236 |  | 273 |  | 162 |
Other employee benefits | 267 |  | 269 |  | 261 |
Total | 9,991 |  | 9,340 |  | 9,079 |
(a) Includes the impact of the April 2021 IFRIC agenda decision on the allocation of benefits to service periods, as described in Note A.2.1. to the consolidated financial statements for the year ended December 31, 2021.

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