Post-employment Benefits - Schedule of Sensitivity Analysis for Unfunded Plans (Parenthetical) (Details) - Unfunded	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Discount Rates
Disclosure Of Sensitivity Analysis For Actuarial Assumptions [Line Items]
Actuarial assumption basis points	0.50%	0.50%
Expected Rates of Salary Increases
Disclosure Of Sensitivity Analysis For Actuarial Assumptions [Line Items]
Actuarial assumption basis points	0.50%	0.50%

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

No definition available.

Name:	ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration