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Valuation of derivatives, interest cost from labor obligations and other financial items, net (Tables) | 12 Months Ended
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Dec. 31, 2018
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Schedule of Valuation of Derivatives and Other Financial Items | For the years ended December 31, 2016, 2017 and 2018, valuation of derivatives and other financial items are as follows:
|  | For the years ended December 31, |
|  | 2016 |  |  | 2017 |  |  | 2018 |
Controlling interest: |  |  |  |  |  |  |  |  |  |  |  |
(Loss) gain in valuation of derivatives, net |  | Ps. | (9,622,233 | ) |  | Ps. | 8,192,567 |  |  | Ps. | (4,686,407 | )
Capitalized interest expense (Note 10 d) |  |  | 2,861,307 |  |  |  | 2,875,034 |  |  |  | 2,020,288 |
Commissions |  |  | (2,034,972 | ) |  |  | (1,263,701 | ) |  |  | (1,901,473 | )
Interest cost of labor obligations (Note 17) |  |  | (9,178,513 | ) |  |  | (8,722,611 | ) |  |  | (9,968,526 | )
Interest expense on taxes |  |  | (245,922 | ) |  |  | (1,503,981 | ) |  |  | (555,921 | )
Dividend received (Note 4) |  |  | 5,740,092 |  |  |  | 2,385,559 |  |  |  | 2,605,333 |
Gain on net monetary positions (Note 2i, c) |  |  | — |  |  |  | — |  |  |  | 4,429,145 |
Other financial cost |  |  | (3,745,600 | ) |  |  | (3,906,627 | ) |  |  | (2,118,755 | )
Total |  | Ps. | (16,225,841 | ) |  | Ps. | (1,943,760 | ) |  | Ps. | (10,176,316 | )

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