XML 159 R145.htm IDEA: XBRL DOCUMENT v3.21.1
21 Employees benefits (Details 11) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Summary of employee benefits [Line Items]      
Subtotal R$ 158,344 R$ 192,601 R$ 168,048
Expenses capitalized in assets (4,904) (6,022) (5,214)
Other 5,841 8,040 7,592
Pension plan obligations (Note 29) 159,281 194,619 170,426
G1 Plan [member]      
Summary of employee benefits [Line Items]      
Subtotal 25,776 40,073 11,321
G0 plan [member]      
Summary of employee benefits [Line Items]      
Subtotal 110,810 130,067 135,966
Sabesprev Mais Plan [member]      
Summary of employee benefits [Line Items]      
Subtotal 21,700 22,461 20,761
VIVEST Plan [member]      
Summary of employee benefits [Line Items]      
Subtotal R$ 58 R$ 0 R$ 0