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Related Parties - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of Transactions Between Related Parties [Line Items]
Amount of compensation of CEMEX Board of Directors	$ 48	$ 71	$ 44
Ready Mix Pumping Services [Member] | CEB [Member]
Disclosure of Transactions Between Related Parties [Line Items]
Related party transaction services received	70
Performance Bonuses [Member]
Disclosure of Transactions Between Related Parties [Line Items]
Amount of compensation of CEMEX Board of Directors	31	24	29
Executive Share-Based Compensation Programs [Member] | ADR [Member]
Disclosure of Transactions Between Related Parties [Line Items]
Amount of compensation of CEMEX Board of Directors	$ 17	$ 47	$ 15

X

- Definition

The amount of remuneration paid or payable to the entity's directors.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of services received in related party transactions. [Refer: Total for all related parties [member]]

+ References

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