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Business Combination - Summary of Purchase Price Allocation (Detail) - Holcim Ltd. [member] $ in Millions | Dec. 31, 2015 MXN ($)
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Disclosure of detailed information about business combination [line items] |
Current assets | $ 290
Property, machinery and equipment | 3,423
Other non-current assets | 270
Intangible assets | 592
Fair value of assets acquired | 4,575
Current liabilities | 174
Non-current liabilities | 458
Fair value of liabilities assumed | 632
Fair value of net assets acquired | 3,943
Czech Republic [member] |
Disclosure of detailed information about business combination [line items] |
Current assets | 231
Property, machinery and equipment | 1,419
Other non-current assets | 270
Intangible assets | 590
Fair value of assets acquired | 2,510
Current liabilities | 117
Non-current liabilities | 344
Fair value of liabilities assumed | 461
Fair value of net assets acquired | 2,049
Spain [member] |
Disclosure of detailed information about business combination [line items] |
Current assets | 59
Property, machinery and equipment | 2,004
Other non-current assets | 0
Intangible assets | 2
Fair value of assets acquired | 2,065
Current liabilities | 57
Non-current liabilities | 114
Fair value of liabilities assumed | 171
Fair value of net assets acquired | $ 1,894

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