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v3.20.4

Restricted cash (Details) R$ in Millions, $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2020 BRL (R$) | Feb. 24, 2020 USD ($) | Feb. 23, 2020 USD ($)
Restricted Cash [Line Items] |  |  |  |  |
Total restricted cash | $ 197 | $ 242 |  |  |
Current restricted cash | 132 | 135 |  |  |
Non-current restricted cash | 65 | 107 |  |  |
Proceeds from related party loans held in escrow | 24 | 6 |  |  |
Accounts pledged as collateral for Senior Secured Notes |  |  |  |  |
Restricted Cash [Line Items] |  |  |  |  |
Total restricted cash | 30 | 24 |  |  |
Accounts pledged as collateral for performance bonds and similar guarantees |  |  |  |  |
Restricted Cash [Line Items] |  |  |  |  |
Total restricted cash | 48 | 104 |  |  |
Guaranty facility |  |  |  | $ 45 | $ 90
Demand deposit pledged as collateral for tax related guarantee |  |  |  |  |
Restricted Cash [Line Items] |  |  |  |  |
Total restricted cash | 65 | 83 | R$ 330 |  |
Accounts pledged as collateral for leases |  |  |  |  |
Restricted Cash [Line Items] |  |  |  |  |
Total restricted cash | 22 | 0 |  |  |
Other |  |  |  |  |
Restricted Cash [Line Items] |  |  |  |  |
Total restricted cash | $ 32 | $ 31 |  |  |

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