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Finance Results - Summary of Finance Results (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Financial results [abstract]      
Interest on debt R$ (3,162,853) R$ (2,148,322) R$ (1,626,911)
Monetary and exchange rate variation (1,069,157) (3,253,446) (438,430)
Derivatives and fair value measurement 2,193,855 3,918,848 764,816
Amortization of borrowing costs (341,034) (58,732) (56,397)
Guarantees and warranties 52,082 56,079 65,207
Cost of gross debt (2,431,271) (1,597,731) (1,422,129)
Income from financial investment and exchange rate in cash and cash equivalents 600,894 369,690 407,701
Cost of debt, net (1,830,377) (1,228,041) (1,014,428)
Interest on other receivables 411,394 201,060 435,498
Monetary variation of other financial assets (372)
Interest on other payables (424,946) (16,293) (302,620)
Interest on leases payable (407,972) (595,482) (559,240)
Interest on shareholders' equity (8,288) (4,959) (18,726)
Interest on contingencies and contracts (315,620) (234,368) (222,617)
Bank charges and other (96,983) (75,408) (196,230)
Foreign exchange, net 115,607 (30,505) (89,260)
Other charges and monetary variations net (727,180) (755,955) (953,195)
Finance results, net (2,557,557) (1,983,996) (1,967,623)
Finance expense (2,527,506) (4,727,561) (3,690,578)
Finance income 1,258,441 407,710 974,604
Foreign exchange, net (1,099,536) (3,258,656) (526,946)
Derivatives (188,956) 5,594,511 1,275,297
Finance results, net R$ (2,557,557) R$ (1,983,996) R$ (1,967,623)