XML 251 R192.htm IDEA: XBRL DOCUMENT v3.23.1
EMPLOYEE BENEFITS (Details 7)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Employee Benefits    
Actuarial financing method Projected unit credit Projected unit credit
Functional currency Real (R$) Real (R$)
Recognition of plan assets Fair value Fair value
Nominal discount rate Plan 35%: 6.10% Supplementation : 6.10% Mauá Prev: 6.10% Millennium Plan: 6,95% Plan 35%: 6,24% Supplementation: 6,44%
Actuarial assumption of expected rates of inflation 5.31% 5.03%
Actuarial assumption of expected rates of salary increases 1.00% 6.08%
Actuarial assumption of expected rates of pension increases 5.31% 5.03%
Rate of return on investments Millennium Plan: 6.14% Plan 35%: 6.10% Supplementation : 6.10% Mauá Prev: 6.10% Millennium Plan: 10.71% Plan 35%: 10.53% Supplementation : 10.54%
General mortality table Millennium Plan: AT-2012 segregated by gender Plans 35% : AT-2000 Male, aggravated by 15% Supplementation: AT-2000 segregated by gender, aggravated by 10% Mauá Prev: AT-2000 segregated by gender Millennium Plan: AT-2012 segregated by gender Plans 35% : AT-2000 Male, aggravated by 15% Supplementation: AT-2000 segregated by gender, aggravated by 10%
Disability table Supplementation: Not applied Millennium Plan: Prudential (Ferr Apos) unaggravated by 10% Mauá Prev: Mercer Disability Supplementation: Not applied Millennium Plan: Prudential - 10%
Disability mortality table Millennium Plan: AT 71 Plans 35%: MI-2006 - 10% M&F Supplementation: Winklevoss - 10% Mauá Prev: IAPB-57 Millennium Plan: AT 71 Plans 35%: MI-2006 - 10% M&F Supplementation: Winklevoss - 10%
Turnover table Millennium Plan 5% per year Null for 35% Plans and Supplementation Maua Prev: up to 10 minimum wages 20%, up to 20 minimum wages 15% and above 20 minimum wages 10% Millennium Plan 5% per year Null for 35% Plans and Supplementation
Retirement age  100% on the first date he/she becomes eligible for programmed retirement benefit under the plan   100% on the first date he/she becomes eligible for programmed retirement benefit under the plan 
Household of active participants  95% will be married at the time of retirement, with the wife being 4 years younger than the husband   95% will be married at the time of retirement, with the wife being 4 years younger than the husband