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Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Statement Line Items [Line Items] |
Disclosure of reclassification of financial instruments [text block] |
Financial Assets |  | FVPL |  |  | Held to maturity |  |  | Amortized cost (loans & receivables 2017) |  |  | FVOCI (Available for sale 2017) |
Closing balance December 31, 2017 - IAS 39 |  |  | 1,163,808 |  |  |  | 344,336 |  |  |  | 1,541,724 |  |  |  | 21,572 |
Reclassified bonds and other fixed income from HTM to FVOCI |  |  | - |  |  |  | (344,336 | ) |  |  | - |  |  |  | 344,336 |
Reclassified fixed income from FVPL to amortized cost |  |  | (550,646 | ) |  |  | - |  |  |  | 550,646 |  |  |  | - |
Reclassified bonds and other fixed income from FVPL to FVOCI |  |  | (153,702 | ) |  |  | - |  |  |  | - |  |  |  | 153,702 |
Opening balance January 1, 2018 - IFRS 9 |  |  | 459,460 |  |  |  | - |  |  |  | 2,092,370 |  |  |  | 519,610 |
Financial Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing balance December 31, 2017 - IAS 39 |  |  | 39,799 |  |  |  |  |  |  |  | 1,716,598 |  |  |  |  |
Opening balance January 1, 2018 |  |  | 39,799 |  |  |  |  |  |  |  | 1,716,598 |  |  |  |  |
|  | Effect on other reserves |  |  | Effect on retained earnings |
Opening balance January 1, 2018 - IAS 39 |  |  | (320,569 | ) |  |  | 10,718,853 |
Reclassify investments from HTM to FVOCI |  |  | 3,126 |  |  |  | - |
Reclassify investments from FVPL to FVOCI |  |  | (352 | ) |  |  | 352 |
Opening balance January 1, 2018 - IFRS 9 |  |  | (317,795 | ) |  |  | 10,719,205 |
Disclosure of detailed information about the estimated useful lives of property, plant and equipment [text block] |
| Land | No Depreciation
| Buildings and improvements | 30-50 years
| Plant and production equipment | 10-40 years
| Vehicles, furniture and fixtures, and other equipment | 4-10 years

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- Definition The disclosure of the reclassification of financial instruments. [Refer: Financial instruments, class [member]] + 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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