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Components of other comprehensive income (loss) - Summary of Movement on Components of Other Comprehensive Loss (Detail) $ in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2023 MXN ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2021 MXN ($)
Controlling interest: |  |  |  |
Unrealized gain (loss) on equity investments at fair value, net of deferred taxes | $ (967,609) | $ (57) | $ (4,707,276) | $ 4,560,869
Translation effect by discontinued operations |  |  | 5,193,281 | (829,163)
Asset's revaluation surplus net of deferred taxes | 868,456 |  |  |
Total equity attributable to equity holders of the parent [member] |  |  |  |
Controlling interest: |  |  |  |
Unrealized gain (loss) on equity investments at fair value, net of deferred taxes | (967,609) |  | (4,707,276) | 4,560,869
Translation effect of foreign entities | (37,399,680) |  | (31,086,965) | (4,837,206)
Translation effect by discontinued operations | 0 |  | 5,193,281 | (829,163)
Remeasurement of defined benefit plan, net of deferred taxes | (3,662,102) |  | (4,599,407) | 11,100,835
Asset's revaluation surplus net of deferred taxes | 497,628 |  |  |
Non-controlling interest of the items above | (3,885,410) |  | (3,734,066) | (2,135,886)
Other comprehensive income (loss) | $ (45,417,173) |  | $ (38,934,433) | $ 7,859,449

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- Definition The amount of other comprehensive income attributable to non-controlling interests. [Refer: Non-controlling interests; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_85&doctype=Standard -URIDate 2023-03-23 + Details
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