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Non-Controlling Interest in Consolidate Subsidiaries - AOCI (Details) $ in Millions, $ in Millions | Dec. 31, 2021 USD ($) | Dec. 31, 2021 MXN ($) | Dec. 31, 2020 MXN ($)
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Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |
Accumulated other comprehensive income, total | $ 150 | $ 3,085 | $ (843)
Non-controlling interest |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |
Exchange differences on translation foreign operation |  | (7,999) | (6,657)
Remeasurements of the net defined benefits liability |  | (595) | (559)
Valuation of the effective portion of derivative financial instruments |  | 733 | (277)
Accumulated other comprehensive income, total |  | $ (7,861) | $ (7,493)

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