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Post-employment benefits for associates (Details) - 12 months ended Dec. 31, 2020
SFr in Millions, $ in Millions
USD ($)
CHF (SFr)
Disclosure of defined benefit plans [line items]    
Concentration of major plans, geographic The major plans are based in Switzerland, the United States, the United Kingdom, Germany and Japan, which represent 95% of the Group’s total DBO for pension plans. The major plans are based in Switzerland, the United States, the United Kingdom, Germany and Japan, which represent 95% of the Group’s total DBO for pension plans.
Major plans percentage in group DBO pensions 95.00% 95.00%
Most signigicant countries percentage on group DBO post employment benefit plans 81.00% 81.00%
Net Pre-tax curtailment gain (loss) $ 101 SFr 90