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Revenues and Construction Contracts (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary of Net Sales, After Sales and Eliminations Between Related Parties Resulting from Consolidation | For the years ended December 31, 2017, 2016 and 2015, net sales, after eliminations between related parties resulting from consolidation, were as follows:
|  |  |  |  | 2017 |  |  | 2016 |  |  | 2015 |
From the sale of goods associated to CEMEX’s main activities1 |  |  | Ps |  |  |  | 246,820 |  |  |  | 239,696 |  |  |  | 211,258 |
From the sale of services2 |  |  |  |  |  |  | 3,313 |  |  |  | 3,110 |  |  |  | 2,811 |
From the sale of other goods and services3 |  |  |  |  |  |  | 7,998 |  |  |  | 7,139 |  |  |  | 5,230 |
|  |  | Ps |  |  |  | 258,131 |  |  |  | 249,945 |  |  |  | 219,299 |
1 | Includes in each period those revenues generated under construction contracts that are presented in the table below.
2 | Refers mainly to revenues generated by Neoris N.V. and its subsidiaries, involved in providing information technology solutions and services.
3 | Refers mainly to revenues generated by subsidiaries not individually significant operating in different lines of business.
Disclosure of recognised revenue from construction contracts | For 2017, 2016 and 2015, revenues and costs related to construction contracts in progress were as follows:
|  |  |  |  | Recognized to date 1 |  |  | 2017 |  |  | 2016 |  |  | 2015 |
Revenue from construction contracts included in consolidated net sales2 |  |  | Ps |  |  |  | 5,508 |  |  |  | 992 |  |  |  | 1,033 |  |  |  | 994 |
Costs incurred in construction contracts included in consolidated cost of sales3 |  |  |  |  |  |  | (4,840 | ) |  |  | (1,205 | ) |  |  | (1,133 | ) |  |  | (919 | )
Construction contracts gross operating profit (loss) |  |  | Ps |  |  |  | 668 |  |  |  | (213 | ) |  |  | (100 | ) |  |  | 75 |
1 | Revenues and costs recognized from inception of the contracts until December 31, 2017 in connection with those projects still in progress.
2 | Revenues from construction contracts during 2017, 2016 and 2015, were mainly obtained in Mexico and Colombia.
3 | Refers to actual costs incurred during the periods. The oldest contract in progress as of December 31, 2017 started in 2010.

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