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Executive Share-based Compensation - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Commitment payments in cash | $ 0 | $ 0 |
Decrease in other equity reserves | $ 55 | 61 | $ 47
ADSs Based On The Service Of The Executives [Member] | Executive Officer [Member] |  |  |
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Share-based compensation program service period | 4 years |  |
Share-based compensation annual grant percentage | 25.00% |  |
CPO [Member] | Bottom of range [member] |  |  |
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Share-based compensation annual grant percentage | 0.00% |  |
CPO [Member] | Top of range [member] |  |  |
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Share-based compensation annual grant percentage | 200.00% |  |
CPO [Member] | Cemex Holdings Philippines, Inc. [member] | Vested [Member] |  |  |
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Decrease in other equity reserves | $ (55) | (61) | (52)
Transfer to additional paid in capital from other equity reserves | $ 55 | $ 61 | $ 52

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- Definition The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 106 -Subparagraph d -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_106_d_iii&doctype=Standard -URIDate 2024-03-27 + Details
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