XML 200 R177.htm IDEA: XBRL DOCUMENT v3.19.1

Sanction proceedings (Details Textual) - National Geology and Mining Service [Member]	Apr. 03, 2018 USD ($)
Bottom of range [member]
Disclosure of sanction proceedings [Line Items]
Penalty under sanction proceedings	$ 10
Top of range [member]
Disclosure of sanction proceedings [Line Items]
Penalty under sanction proceedings	$ 10,000

X

- References

No definition available.

+ Details

Name:	sqm_DisclosureOfSanctionProceedingsLineItems
Namespace Prefix:	sqm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

No definition available.

+ Details

Name:	sqm_PenaltyUnderSanctionProceedings
Namespace Prefix:	sqm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_RegulatoryEnvironmentsAxis=sqm_NationalGeologyAndMiningServiceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: