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Segment Information - Revenue from Operations Abroad (Detail) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary of segment information [line items]
Revenue	R$ 89,297,975	R$ 90,697,983	R$ 79,230,014
Brazil [member]
Summary of segment information [line items]
Revenue	87,927,198	89,183,342	77,986,363
Mexico [member]
Summary of segment information [line items]
Revenue	220,021	207,615	190,205
Uruguay [member]
Summary of segment information [line items]
Revenue	41,648	48,096	33,873
Venezuela [member]
Summary of segment information [line items]
Revenue	2,293	68,877	54,788
Other Latin American Countries [member]
Summary of segment information [line items]
Revenue	418,368	425,973	427,875
United States [member]
Summary of segment information [line items]
Revenue	437,669	465,840	292,709
Far East [member]
Summary of segment information [line items]
Revenue	74,093	96,394	72,469
Europe [member]
Summary of segment information [line items]
Revenue	118,917	138,347	119,097
Others [member]
Summary of segment information [line items]
Revenue	R$ 57,768	R$ 63,499	R$ 52,635

X

- Definition

Expiry date 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants. Effective 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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