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Business Combinations,Discontinued Operations, Sale of Other Disposal Groups and Selected Financial Information by Geographic Operating Segment - Additional Information (Detail) $ / shares in Units, € in Millions, $ in Millions |  |  |  |  |  |  |  |  |  | 6 Months Ended | 10 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 07, 2017 USD ($) | Feb. 07, 2017 MXN ($) | Feb. 07, 2017 USD ($) $ / shares | Jan. 09, 2017 USD ($) shares | Jan. 09, 2017 TTD ($) shares | Dec. 02, 2016 MXN ($) | Nov. 28, 2016 USD ($) | Nov. 18, 2016 USD ($) T | Nov. 18, 2016 MXN ($) T | Sep. 12, 2016 USD ($) T | Sep. 12, 2016 MXN ($) T | May 26, 2016 USD ($) | May 26, 2016 MXN ($) | Oct. 31, 2015 USD ($) Quarry Plant | Oct. 31, 2015 MXN ($) Quarry Plant | Oct. 31, 2015 EUR (€) Quarry Plant | Jan. 05, 2015 USD ($) Quarry Plant Mills T | Jan. 05, 2015 MXN ($) T | Jan. 05, 2015 EUR (€) T | Jun. 30, 2017 USD ($) | Jun. 30, 2017 MXN ($) | Oct. 31, 2015 USD ($) Quarry Plant | Oct. 31, 2015 MXN ($) Quarry Plant | Dec. 31, 2017 USD ($) T | Dec. 31, 2017 MXN ($) T | Dec. 31, 2016 MXN ($) GeographicalAreas | Dec. 31, 2015 USD ($) | Dec. 31, 2015 MXN ($) Quarry Plant Mills | Dec. 31, 2015 EUR (€) | Dec. 31, 2017 MXN ($) | Jun. 30, 2017 MXN ($) | Feb. 07, 2017 MXN ($) | Feb. 01, 2017 USD ($) | Feb. 01, 2017 MXN ($) | Jan. 05, 2015 MXN ($) Quarry Plant Mills | Jan. 05, 2015 EUR (€) Quarry Plant Mills | Dec. 31, 2014 MXN ($)
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 206,319 |  | $ 184,156 |  | $ 195,474 |  |  |  |  |  |  | $ 160,544
Proportional write off of goodwill based on relative fair values |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,804 | $ 9,734 |  | 0 |  |  |  |  |  |  |  |  |
Number of geographical regions | GeographicalAreas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 236,238 |  | 229,343 |  | 193,995 |  |  |  |  |  |  | $ 205,834
Share in borrowings, percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80.00% | 80.00% | 73.00% |  |  |  |  |  |  |  |  |  |  |
Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Production capacity | T |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 950,000 | 950,000 |  |  |  |  |  |  |  |  |  |  |  |
United States [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 162,692 |  |  |  | 152,486 |  |  |  |  |  |  |
Geographical regions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | United States |  |  |  |  |  |  |  |  |  |  |
Mexico [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,529 |  |  |  | 7,371 |  |  |  |  |  |  |
Geographical regions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Mexico |  |  |  |  |  |  |  |  |  |  |
Europe [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Geographical regions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Europe |  |  |  |  |  |  |  |  |  |  |
South, Central America and the Caribbean [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Geographical regions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | South, Central America and the Caribbean |  |  |  |  |  |  |  |  |  |  |
Asia, Middle East and Africa [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Geographical regions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Asia, Middle East and Africa |  |  |  |  |  |  |  |  |  |  |
Spain [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,316 |  |  |  | 10,000 |  |  |  |  |  |  |
Spain [member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share in borrowings, percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% | 1.00% | 1.00% |  |  |  |  |  |  |  |  |  |  |
Other countries [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 550 |  |  |  | 522 |  |  |  |  |  |  |
Share in borrowings, percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% | 4.00% | 2.00% |  |  |  |  |  |  |  |  |  |  |
Czech Republic [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 583 |  |  |  | 709 |  |  |  |  |  |  |
Trinidad Cement Limited [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39.50% | 39.50% | 39.50% |  |  |  |  |  |  |  |  |  |  |
Fair value of assets acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 525,000,000 | $ 10,936 |  |  |
Share price | $ / shares |  |  | $ 4.15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt assumed | $ 113,000,000 |  | $ 113,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,354 |  |  |  |  |
Gain on Financial income and other items, net | $ 32,000,000 | $ 623 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trinidad Cement Limited [member] | Mexican Peso [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.83 | 20.83 |  |  |
Trinidad Cement Limited [member] | The Offer [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage | 69.80% | 69.80% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred | $ 86,000,000 |  | $ 86,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,791 |  |  |  |  |
Share price | $ / shares |  |  | $ 5.07 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trinidad Cement Limited [member] | Caribbean TCL [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  | 39.50% | 39.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39.50% |  |  |  |  |  |  |  |  |  |  |
Cash payment for interest ownership |  |  |  | $ 0.76 | $ 5.07 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trinidad Cement Limited [member] | Caribbean TCL [member] | The Offer [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option to acquire, number of shares | shares |  |  |  | 132,616,942 | 132,616,942 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional ownership percentage acquired |  |  |  | 30.20% | 30.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concrete Reinforced Pipe Manufacturing Business [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  |  | $ 500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration on divestiture |  |  |  |  |  |  | $ 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concrete Reinforced Pipe Manufacturing Business [member] | United States [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 260,000,000 |  |  |  |  |  | 5,369 |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 148,000,000 | $ 3,083 |  |  |  |  |  |  |  |  |  |  |  |
Siam City Cement Public Company Ltd. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  |  |  |  |  |  |  | $ 70,000,000 | $ 1,450 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  |  |  |  |  |  | 24,000,000 | 424 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation gain loss on disposal |  |  |  |  |  |  |  |  |  |  |  | $ 7,000,000 | $ 122 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rohrdorfer Group [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 179,000,000 | $ 3,090 | € 165 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 45,000,000 | $ 741 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation gain loss on disposal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 | $ 215 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of quarries sold | Quarry |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,000,000 | 29,000,000 | 29,000,000 |  |  |  |  |  | 29,000,000 | 29,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of ready mix plants sold | Plant |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,000,000 | 68,000,000 | 68,000,000 |  |  |  |  |  | 68,000,000 | 68,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
GCC [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  |  |  | $ 306,000,000 | $ 6,340 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  |  | 104,000,000 | 2,159 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation gain loss on disposal |  |  |  |  |  |  |  | $ 65,000,000 | $ 1,347 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual production capacity of cement plant sold | T |  |  |  |  |  |  |  | 537,000 | 537,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportional write off of goodwill based on relative fair values |  |  |  |  |  |  |  | $ 161,000,000 | $ 3,340 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eagle Materials Inc [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 211,000,000 |  |  |  |  |  | $ 4,365 |  |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  |  |  |  |  | $ 400,000,000 | $ 8,288 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 188,000,000 | $ 3,694 |  |  |  |  |  |  |  |  |  |  |  |
Annual production capacity of cement plant sold | T |  |  |  |  |  |  |  |  |  | 730,000 | 730,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eagle Materials Inc And Grupo Cementos de Chihuahua SAB De C.V. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage for measuring net assets for consolidation |  |  |  |  |  |  |  | 5.00% | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cementos Espaoles de Bombeo, S. de R.L. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  | $ 1,649 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed assets sold |  |  |  |  |  | $ 309 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term of facilities |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate initial amount of lease |  |  |  |  |  | $ 1,340 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent revenue |  |  |  |  |  | $ 557 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Holcim Ltd. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of assets acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,575 |  |  |  |  |  |  |  |  |
Final payment in cash for acquisition of assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 594 | € 33 |
Proceeds from divestiture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 207,000,000 | $ 3,047 | € 171 |  |  |  |  |  |  |  |
Number of quarries sold | Quarry |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22 |  |  |  |  |  |  |  |  |
Number of ready mix plants sold | Plant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 79 |  |  |  |  |  |  |  |  |
Number of cements plants sold | Plant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Number of cements grinding mills sold | Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |
Number of slag granulator sold | Plant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Holcim Ltd. [member] | Spain [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 129,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,894 | € 106 |
Fair value of assets acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,065 |  |  |  |  |  |  |  |  |
Number of cement plants acquired | Plant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |
Production capacity | T |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 850,000 | 850,000 | 850,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of cement mill | Mills |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |
Grinding capacity | T |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 900,000 | 900,000 | 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 106,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,562 | € 88 |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 328 | 19 |
Holcim Ltd. [member] | Czech Republic [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 139,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,049 | € 115 |
Fair value of assets acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,510 |  |  |  |  |  |  |  |  |
Number of cement plants acquired | Plant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |
Number of quarries acquired | Quarry |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 4 |
Number of ready mix plants acquired | Plant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17 | 17 |
Holcim Ltd. [member] | Germany [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration Paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 207,000,000 | $ 3,047 | € 171 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finance subsidiaries [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share in borrowings, percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% | 15.00% | 25.00% |  |  |  |  |  |  |  |  |  |  |
Heidelberg Cement Group [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 73,000,000 |  |  |  |  |  |  |  |  |  |  | $ 64 |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 22,000,000 | $ 399 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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