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Property, Plant, and Equipment - Summary Of Depreciation Expenses in The Financial Statements (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement [Line Items]      
Depreciation expense R$ 844,647 R$ 812,489 R$ 704,544
Cost of products sold [member]      
Statement [Line Items]      
Depreciation expense 405,966 406,002 364,826
Selling and marketing expenses [member]      
Statement [Line Items]      
Depreciation expense 285,671 279,023 248,112
General and administrative expenses [member]      
Statement [Line Items]      
Depreciation expense R$ 48,635 R$ 52,568 R$ 34,044