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Goodwill and Intangible Assets, Net - Additional Information (Detail) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Risk free rate |  | 4.79% | 3.58% | 1.82% | 2.20%
Increase in pre-tax discount rate |  | 1.00% |  |  |
Decrease in long-term growth rate |  | 1.00% |  |  |
Weighted average Operating EBITDA multiple |  | 10.9 | 11.3 | 11.5 |
Impairment of finite lived intangible assets |  | $ 7 |  |  |
Market risk premium percentage |  |  | 1.70% | 5.80% | 5.70%
Percentage reduction in long term growth rate |  | 1.20% |  |  |
Stock volatility factor |  | 1.07 | 1.08 | 1.12 | 1.19
Impairment losses of goodwill |  | $ 0 | $ 365 |  |
Weight of Debt |  | 22.50% | 27.00% |  |
Other expenses [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment losses related to intangible assets |  |  |  | $ 53 |
Neoris NV [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment losses of goodwill |  |  |  | 27 |
Operating segments [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment of finite lived intangible assets |  |  | $ 365 |  |
Internally Developed Software [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment losses related to intangible assets |  |  |  | $ 49 |
Cemex [Member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Funding cost percentage | 4.10% | 6.70% | 6.70% | 4.10% |
Decrease In Weighing Of Debt Percentage |  |  |  | 26.90% | 34.60%
Cemex [Member] | Operating segments [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Discount rates |  |  |  | 0.10% | 0.50%
Top of range [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Funding cost percentage |  | 6.67% |  |  |
Weighted average [member] | Cemex [Member] | Operating segments [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Discount rates |  | 1.20% | 2.00% |  |
United States [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Discount rates |  | 10.10% | 9.10% | 7.20% |
United States [member] | Operating segments [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Discount rates |  | 1.00% |  |  |
Impairment of finite lived intangible assets |  |  | $ 273 |  |
Percentage of goodwill |  | 80.00% |  |  |
United States [member] | Goodwill [member] | Operating segments [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment of finite lived intangible assets |  |  |  | $ 440 |
United States [member] | Top of range [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Risk free rate |  | 4.79% |  |  |
Mexico [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Discount rates |  | 11.60% | 10.30% | 8.40% |
Percentage reduction in long term growth rate |  | 1.00% | 1.00% | 1.00% |
Spain [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Discount rates |  | 10.70% | 9.40% | 7.60% |
Spain [member] | Operating segments [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment of finite lived intangible assets |  |  | $ 92 |  |
Spain [member] | Goodwill [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Non cash impairment charges |  |  |  | $ 317 |
Egypt [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Percentage reduction in long term growth rate |  | 3.00% | 2.85% | 2.80% |
UAE [Member] | Goodwill [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Non cash impairment charges |  |  |  | $ 96 |
Israel [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Percentage reduction in long term growth rate |  | 2.10% |  |  |

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