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Financial Instruments - Summary of Financial Assets and Liabilities Measured at Fair Value (Details) - MXN ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Level 1 |  |
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Financial instrument (current asset) | $ 764 | $ 488
Financial instrument (non-current asset) | 3,170 | 3,002
Financial instrument (current liability) | 35 | 83
Level 2 |  |
Disclosure of Financial Assets and Financial Liabilities [Line Items] |  |
Financial instrument (current asset) | 865 | 85
Financial instrument (non-current asset) | 39,152 | 31,069
Financial instrument (current liability) | 103 | 1,045
Financial instrument (non-current liability) | $ 1,635 | $ 3,743

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