XML 145 R126.htm IDEA: XBRL DOCUMENT v3.21.1
14. FINANCIAL INSTRUMENTS (Details 18) - BRL (R$)
R$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about financial instruments [line items]    
Closing Balance R$ 42,940,059 R$ 32,712,311
Perpetual Bonds [member] | Liquidity risk [member]    
Disclosure of detailed information about financial instruments [line items]    
Closing Balance 5,203,773 4,036,186
Fair value 5,157,465 3,706,553
Fixed rate notes [member] | Liquidity risk [member]    
Disclosure of detailed information about financial instruments [line items]    
Closing Balance 15,067,341 8,090,297
Fair value R$ 15,744,067 R$ 8,345,471