Employee benefits: variable compensation (Narrative) (Detail 1) - shares shares in Millions	Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table]
Share delivery obligations	175	172
Treasury shares available to satisfy share delivery obligations	149	157

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
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-URIDate 2021-03-24

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