Financial Instruments - Financial Assets and Liabilities Measured at Fair Value (Details) - MXN ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Level 1 | ||
| Disclosure of Financial Assets and Financial Liabilities [Line Items] | ||
| Financial instruments (current asset) | $ 157 | $ 40 |
| Financial instruments (non-current asset) | 17,444 | 16,461 |
| Financial instruments (current liability) | 476 | 320 |
| Financial instruments (non-current liability) | 0 | 0 |
| Level 2 | ||
| Disclosure of Financial Assets and Financial Liabilities [Line Items] | ||
| Financial instruments (current asset) | 222 | 1,328 |
| Financial instruments (non-current asset) | 5,865 | 16,907 |
| Financial instruments (current liability) | 891 | 8 |
| Financial instruments (non-current liability) | $ 6,651 | $ 4,625 |
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- Definition Disclosure of financial assets and financial liabilities. No definition available.
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- Definition The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of current financial liabilities measured at fair value through profit or loss. [Refer: Financial liabilities at fair value through profit or loss] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of non-current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of non-current financial liabilities measured at fair value through profit or loss. [Refer: Financial liabilities at fair value through profit or loss] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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