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Financial assets and liabilities - Summary of Probable Scenario Considers Estimated Interest Rate (Detail) | Dec. 31, 2021
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Probable [member] | SELIC [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 11.15%
Probable [member] | CDI [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 11.15%
Probable [member] | TJLP462 (TJLP + 1% p.a.) [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 7.60%
Probable [member] | TJLP [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 6.60%
Probable [member] | IPCA [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 4.61%
Probable [member] | IGPM [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 5.19%
Probable [member] | Libor [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 1.16%
Probable [member] | Fed Funds [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 0.90%
25% [member] | SELIC [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 13.94%
25% [member] | CDI [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 13.94%
25% [member] | TJLP462 (TJLP + 1% p.a.) [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 9.25%
25% [member] | TJLP [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 8.25%
25% [member] | IPCA [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 5.76%
25% [member] | IGPM [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 6.48%
25% [member] | Libor [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 1.45%
25% [member] | Fed Funds [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 1.13%
50% [member] | SELIC [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 16.73%
50% [member] | CDI [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 16.73%
50% [member] | TJLP462 (TJLP + 1% p.a.) [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 10.90%
50% [member] | TJLP [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 9.90%
50% [member] | IPCA [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 6.91%
50% [member] | IGPM [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 7.78%
50% [member] | Libor [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 1.74%
50% [member] | Fed Funds [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 1.35%
-25% [member] | SELIC [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 8.36%
-25% [member] | CDI [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 8.36%
-25% [member] | TJLP462 (TJLP + 1% p.a.) [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 5.95%
-25% [member] | TJLP [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 4.95%
-25% [member] | IPCA [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 3.46%
-25% [member] | IGPM [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 3.89%
-25% [member] | Libor [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 0.87%
-25% [member] | Fed Funds [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 0.68%
-50% [member] | SELIC [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 5.58%
-50% [member] | CDI [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 5.58%
-50% [member] | TJLP462 (TJLP + 1% p.a.) [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 4.30%
-50% [member] | TJLP [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 3.30%
-50% [member] | IPCA [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 2.30%
-50% [member] | IGPM [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 2.59%
-50% [member] | Libor [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 0.58%
-50% [member] | Fed Funds [member] |
Disclosure interest rates sensitivity analysis [line items] |
Estimated interest rate | 0.45%

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