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Employee Benefits - Summary of Increase (Decrease) Would Have Resulted in the DBO Pension and Other Benefits (Detail) $ in Thousands | Dec. 31, 2018 MXN ($)
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-100 [member] | Discount rate [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
DBO pension and other benefits | $ 37,185,664
-100 [member] | Health care cost trend rate [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
DBO pension and other benefits | (651,697)
+100 [member] | Discount rate [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
DBO pension and other benefits | (38,604,684)
+100 [member] | Health care cost trend rate [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
DBO pension and other benefits | $ 761,278

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- Definition The increase (decrease) in a defined benefit obligation that would have been caused by a decrease in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 145 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_145_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2018-01-01 -Paragraph 145 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_145_a&doctype=Standard -URIDate 2018-03-16 + Details
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