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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
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

Disclosure Of Share Of Equity Investment

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The number of personnel employed by the entity at a date.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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