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Financial and capital risk management - Protection programs for the R$ and EUR denominated debt instruments and other liabilities (Details) $ in Thousands, € in Millions, R$ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 BRL (R$) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 BRL (R$) | Dec. 31, 2020 EUR (€)
Derivative financial instruments. |  |  |  |  |  |  |  |
Financial settlement inflows (outflows) | $ 60,000 | $ (114,000) | $ (139,000) | $ 159,000 |  |  |  |
CDI vs. US$ fixed rate swap |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Receivable | R$ |  |  |  |  | R$ 8,841 |  | R$ 9,445 |
Payable | $ 2,072 |  | $ 2,072 |  |  | $ 2,213 |  |
Average receivable rate | 100.53% |  | 100.53% |  | 100.53% |  |  |
Average payable rate | 2.57% |  | 2.57% |  | 2.57% |  |  |
Fair value of liabilities | $ (368,000) |  | $ (368,000) |  |  | (473,000) |  |
Financial settlement inflows (outflows) |  |  | (30,000) |  |  |  |  |
Value at risk | 43,000 |  | 43,000 |  |  |  |  |
CDI vs. US$ fixed rate swap | 2021 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | (26,000) |  | (26,000) |  |  |  |  |
CDI vs. US$ fixed rate swap | 2022 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | (78,000) |  | (78,000) |  |  |  |  |
CDI vs. US$ fixed rate swap | 2023+ |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | (264,000) |  | (264,000) |  |  |  |  |
TJLP vs. US$ fixed rate swap |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Receivable | R$ |  |  |  |  | R$ 1,421 |  | 1,651 |
Payable | $ 390,000 |  | $ 390,000 |  |  | 460,000 |  |
Average receivable rate | 1.12% |  | 1.12% |  | 1.12% |  |  |
Average payable rate | 3.11% |  | 3.11% |  | 3.11% |  |  |
Fair value of liabilities | $ (134,000) |  | $ (134,000) |  |  | (163,000) |  |
Financial settlement inflows (outflows) |  |  | (26,000) |  |  |  |  |
Value at risk | 8,000 |  | 8,000 |  |  |  |  |
TJLP vs. US$ fixed rate swap | 2021 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | (23,000) |  | (23,000) |  |  |  |  |
TJLP vs. US$ fixed rate swap | 2022 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | (40,000) |  | (40,000) |  |  |  |  |
TJLP vs. US$ fixed rate swap | 2023+ |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | (71,000) |  | (71,000) |  |  |  |  |
R$ fixed rate vs. US$ fixed rate swap |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Receivable | R$ |  |  |  |  | R$ 6,671 |  | 2,512 |
Payable | $ 1,265 |  | $ 1,265 |  |  | 621,000 |  |
Average receivable rate | 3.58% |  | 3.58% |  | 3.58% |  |  |
Average payable rate | (1.60%) |  | (1.60%) |  | (1.60%) |  |  |
Fair value of liabilities | $ 62,000 |  | $ 62,000 |  |  | (111,000) |  |
Financial settlement inflows (outflows) |  |  | (85,000) |  |  |  |  |
Value at risk | 26,000 |  | 26,000 |  |  |  |  |
R$ fixed rate vs. US$ fixed rate swap | 2021 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | 10,000 |  | 10,000 |  |  |  |  |
R$ fixed rate vs. US$ fixed rate swap | 2022 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | (26,000) |  | (26,000) |  |  |  |  |
R$ fixed rate vs. US$ fixed rate swap | 2023+ |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | 78,000 |  | 78,000 |  |  |  |  |
IPCA vs. US$ fixed rate swap |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Receivable | R$ |  |  |  |  | R$ 1,617 |  | 2,363 |
Payable | $ 400,000 |  | $ 400,000 |  |  | 622,000 |  |
Average receivable rate | 4.54% |  | 4.54% |  | 4.54% |  |  |
Average payable rate | 3.88% |  | 3.88% |  | 3.88% |  |  |
Fair value of liabilities | $ (90,000) |  | $ (90,000) |  |  | (173,000) |  |
Financial settlement inflows (outflows) |  |  | (65,000) |  |  |  |  |
Value at risk | 9,000 |  | 9,000 |  |  |  |  |
IPCA vs. US$ fixed rate swap | 2021 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | 1,000 |  | 1,000 |  |  |  |  |
IPCA vs. US$ fixed rate swap | 2023+ |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | $ (91,000) |  | $ (91,000) |  |  |  |  |
IPCA vs. CDI swap |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Receivable | R$ |  |  |  |  | R$ 726 |  | 694 |
Payable | R$ |  |  |  |  | R$ 1,350 |  | 550 |
Average receivable rate | 6.63% |  | 6.63% |  | 6.63% |  |  |
Average payable rate | 98.76% |  | 98.76% |  | 98.76% |  |  |
Fair value of liabilities | $ 49,000 |  | $ 49,000 |  |  | 45,000 |  |
IPCA vs. CDI swap | 2021 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | 7,000 |  | 7,000 |  |  |  |  |
IPCA vs. CDI swap | 2022 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | $ 42,000 |  | 42,000 |  |  |  |  |
EUR fixed rate vs. US$ fixed rate swap |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Receivable | € |  |  |  |  |  |  |  | € 500
Payable |  |  |  |  |  | 613,000 |  |
Fair value of liabilities |  |  |  |  |  | (1,000) |  |
Financial settlement inflows (outflows) |  |  | $ (29,000) |  |  |  |  |
Forward |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Payable | R$ |  |  |  |  | R$ 7,020 |  | R$ 916 |
Average payable rate | 5.98% |  | 5.98% |  | 5.98% |  |  |
Fair value of liabilities | $ 122,000 |  | $ 122,000 |  |  | $ (1,000) |  |
Financial settlement inflows (outflows) |  |  | 13,000 |  |  |  |  |
Value at risk | 23,000 |  | 23,000 |  |  |  |  |
Forward | 2021 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | 17,000 |  | 17,000 |  |  |  |  |
Forward | 2022 |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | 64,000 |  | 64,000 |  |  |  |  |
Forward | 2023+ |  |  |  |  |  |  |  |
Derivative financial instruments. |  |  |  |  |  |  |  |
Fair value of liabilities | $ 41,000 |  | $ 41,000 |  |  |  |  |

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