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