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Other Current Assets and Other Current Financial Assets - Other Current Financial Assets (Details) $ in Millions, $ in Millions | Dec. 31, 2021 USD ($) | Dec. 31, 2021 MXN ($) | Dec. 31, 2020 MXN ($)
--- | --- | --- | ---
Other Current Assets and Other Current Financial Assets |  |  |
Restricted cash |  | $ 688 | $ 77
Derivative financial instruments (see Note 21) |  | 1,629 | 573
Note receivables |  | 163 | 31
Other current financial assets | $ 121 | 2,480 | 681
Brazilian Reais |  |  |
Other Current Assets and Other Current Financial Assets |  |  |
Restricted cash |  | 685 | 74
Chilean peso |  |  |
Other Current Assets and Other Current Financial Assets |  |  |
Restricted cash |  | $ 3 | $ 3

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