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Executive Share-based Compensation - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) shares | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) shares
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Commitment payments in cash | $ 0 | $ 0 |
Decrease in other equity reserves | $ 61 | 47 | $ 77
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 | $ (61) | (52) | (42)
Transfer to additional paid in capital from other equity reserves | $ 61 | $ 52 | $ 42
CLH [Member] | CEMEX Latam Holdings, S.A [member] | ADSs Based On Service And Performance Of The Executives [Member] | Executive Officer [Member] | Vested [Member] |  |  |
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Share-based compensation shares issued | shares |  | 813,980 | 713,927
CLH [Member] | Cemex Holdings Philippines, Inc. [member] | ADSs Based On Service And Performance Of The Executives [Member] | Executive Officer [Member] |  |  |
Disclosure of Terms and Conditions of Share-based Payment Arrangement [Line Items] |  |  |
Share-based compensation shares issued | shares | 1,516,657 | 19,177,703 | 16,511,882

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