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Personnel costs
12 Months Ended
Dec. 31, 2023
Employee Benefits [Abstract]  
Personnel costs Personnel costs
Total personnel costs (other than termination benefits, presented in Note D.27.) include the following items:
(€ million)202320222021
Salaries7,183 7,145 6,625 
Social security charges (including defined-contribution pension plans)2,100 2,098 1,929 
Other employee benefits(a)
531 748 786 
Total9,814 9,991 9,340 
(a) Includes expenses related to share-based payments and defined-benefit plans.

The total number of registered employees was 87,994 as of December 31, 2023, compared with 91,573 as of December 31, 2022 and 95,442 as of December 31, 2021.