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Note 29 - Collateral and Contractual Commitments with Suppliers, Advances From Customers and Other - Components of Collateral and Commitments (Details) - BRL (R$)
R$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Statement Line Items [Line Items]    
Collateral given for own liabilities R$ 653.8 R$ 606.3
Other commitments 1,338.9 842.7
Total 1,992.7 1,449.0
Commitments with suppliers [1] 12,078.6 11,096.3
Total R$ 12,078.6 R$ 11,096.3
[1] Variation refers, mainly, a new contracts with a new suppliers of aluminum in 2017.