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Post-employment Benefits - Changes in net post-employment (Details) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Post-employment pension plans. |  |
Beginning of year | $ 733,049 | $ 771,468
Retirement of spun-off businesses | (84,067) |
Net periodic cost | 135,731 | 87,657
Benefits paid | (75,010) | (42,141)
End of year | 772,482 | 733,049
Pensions |  |
Post-employment pension plans. |  |
Beginning of year | 243,131 |
Retirement of spun-off businesses | (64,142) |
Net periodic cost | 44,161 |
Remeasurement adjustments | (10,297) | (70,149)
Benefits paid | (40,360) |
End of year | 172,493 | 243,131
Seniority Premiums |  |
Post-employment pension plans. |  |
Beginning of year | 489,918 |
Retirement of spun-off businesses | (19,925) |
Net periodic cost | 91,570 |
Remeasurement adjustments | 73,076 | (13,786)
Benefits paid | (34,650) |
End of year | $ 599,989 | $ 489,918

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- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 141 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_141_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from business combinations and disposals. [Refer: Total for all business combinations [member]; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 141 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_141_h&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 140 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_140_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 141 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_141_g&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from net periodic pension and seniority premium costs in the current period. + References No definition available. + Details
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