Financial Instruments - Net Effects Of Derivative Financial Instruments That Did Not Met Hedging Criteria (Details) - MXN ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Contract Not Met Hedging Criteria \| Cross currency swaps and interest rate swaps \| Market value gain on financial instruments
Disclosure of detailed information about hedges [line items]
Net gains (losses) on change in fair value of derivatives	$ (2,270)	$ 80	$ (212)

The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard
-URIDate 2022-03-24

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