XML 142 R123.htm IDEA: XBRL DOCUMENT v3.22.1
Schedule of actuarial assumptions and demographic data (Details) - Number
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
F A F [Member]    
IfrsStatementLineItems [Line Items]    
Discount rate 8.76% 7.49%
Actuarial assumption of expected rates of inflation 3.25% 3.25%
Actuarial assumption of expected rates of salary increases 4.34% 3.49%
Number of active participants 6,054 6,495
Number of beneficiary participants assisted 7,565 7,206
F A F [Member] | Schedule of mortality [Member]    
IfrsStatementLineItems [Line Items]    
Schedule of mortality & disabled mortality AT-2000 smoothed by 10% AT-2000 smoothed by 10%
F A F [Member] | Schedule of disabled mortality [Member]    
IfrsStatementLineItems [Line Items]    
Schedule of mortality & disabled mortality CSO-58 RRB-1983
Plan I I [Member]    
IfrsStatementLineItems [Line Items]    
Discount rate 8.68% 7.25%
Actuarial assumption of expected rates of inflation 3.25% 3.25%
Number of beneficiary participants assisted 52 51
Plan I I [Member] | Schedule of mortality [Member]    
IfrsStatementLineItems [Line Items]    
Schedule of mortality & disabled mortality AT-2000 smoothed by 10% AT-2000 smoothed by 10%
Plan I I [Member] | Schedule of disabled mortality [Member]    
IfrsStatementLineItems [Line Items]    
Schedule of mortality & disabled mortality CSO-58 RRB-1983