Employee benefits: variable compensation (Narrative) (Detail 2) $ in Millions	Dec. 31, 2021 USD ($) yr	Dec. 31, 2020 USD ($)
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table]
Carrying amount of liability related to cash-settled share-based awards \| $	$ 37	$ 36
Unvested share-based awards
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table]
Weighted average remaining contractual term (years) \| yr	2.5
UBS AG
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table]
Carrying amount of liability related to cash-settled share-based awards \| $	$ 3	$ 1
UBS AG \| Unvested share-based awards
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table]
Weighted average remaining contractual term (years) \| yr	2.5

Schedule disclosing information related to terms and conditions of share-based payment arrangements.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard
-URIDate 2021-03-24

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- Definition

The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 51
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_51_b_i&doctype=Standard
-URIDate 2021-03-24

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- Definition

The weighted average remaining contractual life of outstanding shares.

+ References

No definition available.

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- Details

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- Details

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