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v3.22.1

Non-Controlling Interest in Consolidated Subsidiaries - Rollforward (Details) $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($) | Dec. 31, 2021 MXN ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($)
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Beginning Balance |  | $ 307,187 | $ 325,751 |
Consolidated net income | $ 1,836 | 37,678 | 3,756 | $ 28,048
Other items of comprehensive income (loss), net of tax | 174 | 3,560 | (7,321) | (12,966)
Gain (loss) on remeasurements of the net defined benefit liability | 14 | 296 | (474) | (1,090)
Dividends declared and paid |  | (13,416) | (15,884) | (13,637)
Issuance of share-based compensation plans |  | 40 | (339) | 21
Other acquisitions and remeasurements |  |  | 1,298 | 32
Ending Balance | $ 16,336 | 335,117 | 307,187 | 325,751
Total controlling interest |  |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Beginning Balance |  | 237,743 | 251,989 |
Consolidated net income |  | 28,495 | (1,930) | 20,699
Dividends declared and paid |  | (7,687) | (10,360) | (9,692)
Issuance of share-based compensation plans |  | 54 | (275) | 33
Other acquisitions and remeasurements |  |  | (79) |
Ending Balance |  | 262,601 | 237,743 | 251,989
Non-controlling interest |  |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Beginning Balance |  | 69,444 | 73,762 | 78,489
Consolidated net income |  | 9,183 | 5,686 | 7,349
Other items of comprehensive income (loss), net of tax |  | (368) | (5,793) | (4,552)
Exchange differences on translating foreign operations |  | (1,342) | (5,958) | (3,833)
Gain (loss) on remeasurements of the net defined benefit liability |  | (36) | (169) | (271)
Fair value changes |  | 1,010 | 334 | (448)
Dividends declared and paid |  | (5,729) | (5,524) | (3,945)
Issuance of share-based compensation plans |  | (14) | (64) | (12)
Acquisitions of non-controlling interest |  |  | 1,298 | 3,530
Other acquisitions and remeasurements |  |  | 1,377 | 32
Ending Balance |  | $ 72,516 | 69,444 | 73,762
Non-controlling interest | Synergy |  |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Other acquisitions and remeasurements |  |  | $ 79 | 32
Non-controlling interest | Accounting standard adoption effects |  |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |  |
Beginning Balance |  |  |  | $ (69)

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