XML 81 R58.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Borrowing costs (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Borrowing costs [abstract] |
Disclosure of rates and costs for capitalized interest of property, plant and equipment [Text Block] | The rates and costs for capitalized interest of property, plant and equipment are detailed as follows:
|  | 12/31/2017 |  | 12/31/2016 |
Capitalization rate of costs for capitalized interest, property, plant and equipment |  |  | 4 | % |  | 4 | %
Amount of costs for interest capitalized in ThUS$ |  |  | 4,382 |  |  | 5,406 |

X
- References No definition available. + Details
Name: | ifrs-full_BorrowingCostsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sqm_DisclosureOfRatesAndCostsForCapitalizedInterestOfPropertyPlantAndEquipmentTextBlock
Namespace Prefix: | sqm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration