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Financial assets and liabilities - Summary of Sensitivity Analysis on Interest Rates on Loans and Borrowings (Detail) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 BRL (R$)
Probable [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | R$ 628,702
Probable [member] | Cash and cash equivalents [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 1,623,771
Probable [member] | Marketable securities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 487,145
Probable [member] | Lease and concession in installments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (121,902)
Probable [member] | Leases [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (371,433)
Probable [member] | Derivative financial instruments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 1,327,786
Probable [member] | Loans, borrowings and debentures [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (2,244,669)
Probable [member] | Other financial liabilities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (71,996)
25% [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (2,143,748)
25% [member] | Cash and cash equivalents [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 1,995,927
25% [member] | Marketable securities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 598,464
25% [member] | Lease and concession in installments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (152,377)
25% [member] | Leases [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (371,433)
25% [member] | Derivative financial instruments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (1,365,311)
25% [member] | Loans, borrowings and debentures [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (2,760,945)
25% [member] | Other financial liabilities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (88,073)
50% [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (2,815,858)
50% [member] | Cash and cash equivalents [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 2,385,014
50% [member] | Marketable securities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 714,627
50% [member] | Lease and concession in installments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (182,853)
50% [member] | Leases [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (371,433)
50% [member] | Derivative financial instruments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (2,073,012)
50% [member] | Loans, borrowings and debentures [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (3,184,050)
50% [member] | Other financial liabilities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (104,151)
-25% [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (356,054)
-25% [member] | Cash and cash equivalents [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 1,423,642
-25% [member] | Marketable securities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 430,749
-25% [member] | Lease and concession in installments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (91,426)
-25% [member] | Leases [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (371,433)
-25% [member] | Derivative financial instruments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 223,066
-25% [member] | Loans, borrowings and debentures [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (1,914,734)
-25% [member] | Other financial liabilities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (55,918)
-50% [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 616,606
-50% [member] | Cash and cash equivalents [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 1,116,070
-50% [member] | Marketable securities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 340,218
-50% [member] | Lease and concession in installments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (60,951)
-50% [member] | Leases [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (371,433)
-50% [member] | Derivative financial instruments [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | 1,124,171
-50% [member] | Loans, borrowings and debentures [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | (1,491,629)
-50% [member] | Other financial liabilities [member] |
Disclosure of sensitivity analysis on income for the period assuming increase and decrease in interest rates [Line Items] |
Exposure interest rate | R$ (39,840)

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