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Compensation and benefits (Details) - CHF (SFr) SFr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Compensation and benefits |  |  |
Salaries and variable compensation | SFr 6,696 | SFr 6,376 | SFr 6,730
Social security | 501 | 508 | 530
Other | 685 | 805 | 751
Compensation and benefits | 7,882 | 7,689 | 8,011
Defined benefit and defined contribution |  |  |
Compensation and benefits |  |  |
Defined Benefit Plan, Service Cost | 427 | 440 | 497
International | Defined benefit pension plans |  |  |
Compensation and benefits |  |  |
Defined Benefit Plan, Service Cost | 12 | 14 | 14
International | Other post-retirement defined benefit plans |  |  |
Compensation and benefits |  |  |
Defined Benefit Plan, Service Cost | SFr 0 | SFr 0 | SFr 0

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