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Investments | 12 Months Ended
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Dec. 31, 2017
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Investments | Note 6. Investments As of December 31, 2017 and 2016 investments are classified as held-to maturity, the carrying value of the investments is similar to their fair value. The following is a detail of held-to maturity investments:
Held-to Maturity (1) Government debt securities |  | 2017 |  |  | 2016 |
Acquisition cost |  | Ps. | 1,934 |  |  | Ps. | — |
Accrued interest |  |  | — |  |  |  | — |
Amortized cost |  |  | 1,934 |  |  |  | — |
Corporate debt securities |  |  |  |  |  |  |  |
Acquisition cost |  |  | 222 |  |  |  | 118 |
Accrued interest |  |  | 4 |  |  |  | 2 |
Amortized cost |  |  | 226 |  |  |  | 120 |
Total investments |  | Ps. | 2,160 |  |  | Ps. | 120 |
(1) | Denominated in dollars at a fixed interest rate.

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- Definition The disclosure of investments other than investments accounted for using the equity method. [Refer: Investments other than investments accounted for using equity method] + References Reference 1: 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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