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Inventories | 12 Months Ended
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Dec. 31, 2020
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Inventories |
11. | INVENTORIES
|  | 2020 |  |  | 2019 |  |  | 2018 |
Refined products |  |  | 59,971 |  |  |  | 50,563 |  |  |  | 33,583 |
Crude oil and natural gas |  |  | 33,066 |  |  |  | 24,756 |  |  |  | 14,571 |
Products in process |  |  | 1,966 |  |  |  | 2,259 |  |  |  | 1,177 |
Raw materials, packaging materials and others |  |  | 5,134 |  |  |  | 2,901 |  |  |  | 3,993 |
|  |  | 100,137 | (1) |  |  | 80,479 | (1) |  |  | 53,324 | (1)
(1) | As of December 31, 2020, 2019 and 2018, the cost of inventories does not exceed their net realizable value.

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- Definition The entire disclosure for inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2020-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI -URIDate 2020-01-01 + Details
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