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Revenues and Construction Contracts | 12 Months Ended
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Dec. 31, 2017
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Revenues and Construction Contracts |
3) | REVENUES AND CONSTRUCTION CONTRACTS
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.
As of December 31, 2017 and 2016, amounts receivable for progress billings to customers of construction contracts and/or advances received by CEMEX from these customers were not significant. 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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- Definition The entire disclosure for revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2018-01-01 -Name IAS -Number 18 -IssueDate 2017-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=18&date=2017-03-02&anchor=sect_Disclosure&doctype=Standard&book=B -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_10_e&doctype=Standard -URIDate 2017-03-09 + Details
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