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Payroll and Related Benefits - Summary of Number of Full Time Equivalents (Detail) - Employees | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure Of Share Of Equity Investment [line items] |  |  |
Total number of full time equivalents | 169,339 | 163,695 | 171,915
Parent [member] |  |  |
Disclosure Of Share Of Equity Investment [line items] |  |  |
Total number of full time equivalents | 214 | 204 | 204
Other subsidiaries [member] |  |  |
Disclosure Of Share Of Equity Investment [line items] |  |  |
Total number of full time equivalents | 169,125 | 163,491 | 171,711

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- Definition The number of personnel employed by the entity at a date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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