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Intangible assets, net (Tables) | 12 Months Ended
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Dec. 31, 2018
Intangible assets, net |
Schedule of intangible assets, net |
|  | Useful |  | Gross value |  | Accumulated amortization |  | Net carrying amount
|  | life |  | At December 31,
|  | years |  | 2018 |  | 2017 |  | 2016 |  | 2018 |  | 2017 |  | 2016 |  | 2018 |  | 2017 |  | 2016
Software |  | 1 | - | 4 | s |  | Ps. | 503,467 |  | Ps. | 441,803 |  | Ps. | 313,028 |  | Ps. | (324,343) |  | Ps. | (251,383) |  | Ps. | (198,987) |  | Ps. | 179,124 |  | Ps. | 190,420 |  | Ps. | 114,041
Balance as of January 1, 2016 |  | Ps. | 94,649
Additions |  |  | 60,792
Disposals |  |  | (1,277)
Amortization |  |  | (40,290)
Exchange differences |  |  | 167
Balance as of January 1, 2017 |  |  | 114,041
Additions |  |  | 130,908
Disposals |  |  | (1,976)
Amortization |  |  | (52,396)
Exchange differences |  |  | (157)
Balance as of December 31, 2017 |  |  | 190,420
Additions |  |  | 71,007
Disposals |  |  | (9,368)
Amortization |  |  | (72,885)
Exchange differences |  |  | (50)
Balance as of December 31, 2018 |  | Ps. | 179,124

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- Definition The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2018-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_118&doctype=Standard -URIDate 2018-03-16 + Details
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