Defined benefit plans (Detail 7)	Dec. 31, 2021	Dec. 31, 2020
Swiss pension plan
Disclosure Of Defined Benefit Plans [Table]
Discount rate	0.34%	0.10%
Rate of salary increase	2.01%	2.00%
Rate of pension increase	0.00%	0.00%
Rate of interest credit on retirement savings	1.04%	0.60%
UK pension plan
Disclosure Of Defined Benefit Plans [Table]
Discount rate	1.82%	1.42%
Rate of salary increase	0.00%	0.00%
Rate of pension increase	3.32%	2.89%
Rate of interest credit on retirement savings	0.00%	0.00%
US and German pension plans
Disclosure Of Defined Benefit Plans [Table]
Discount rate	2.10%	1.62%
Rate of salary increase	2.35%	2.25%
Rate of pension increase	1.80%	1.70%
Rate of interest credit on retirement savings	1.18%	1.12%
UBS AG \| Swiss pension plan
Disclosure Of Defined Benefit Plans [Table]
Discount rate	0.34%	0.10%
Rate of salary increase	2.01%	2.00%
Rate of pension increase	0.00%	0.00%
Rate of interest credit on retirement savings	1.04%	0.60%
UBS AG \| UK pension plan
Disclosure Of Defined Benefit Plans [Table]
Discount rate	1.82%	1.42%
Rate of salary increase	0.00%	0.00%
Rate of pension increase	3.32%	2.89%
Rate of interest credit on retirement savings	0.00%	0.00%
UBS AG \| US and German pension plans
Disclosure Of Defined Benefit Plans [Table]
Discount rate	2.10%	1.62%
Rate of salary increase	2.35%	2.25%
Rate of pension increase	1.80%	1.70%
Rate of interest credit on retirement savings	1.18%	1.12%

The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2021-01-01
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- Definition

The expected rate of increases in pension that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

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- Definition

The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

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- Definition

Schedule disclosing information related to defined benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2021-01-01
-Paragraph 138
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- Definition

The expected rate of interest credit on retirement savings that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation.

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