XML 72 R176.htm IDEA: XBRL DOCUMENT
v3.20.1

Contingencies and restrictions (Details) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Statement [Line Items] |  |
Leverage | 1.19 | 1.00

X
- Definition This is a measurement of leverage, calculated as a company's interest-bearing liabilities minus cash or cash equivalents. + References No definition available. + Details
Name: | sqm_Leverage
Namespace Prefix: | sqm_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Statement + References No definition available. + Details
Name: | sqm_StatementLineItems
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration