XML 116 R90.htm IDEA: XBRL DOCUMENT v3.20.4

Cash and cash equivalents (Details 3) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Cash and Cash Equivalents [Line Items]
Restricted cash and cash balances	$ 731	$ 551
Isapre Norte Grande Ltda. [Member]
Cash and Cash Equivalents [Line Items]
Restricted cash and cash balances	$ 731	$ 551

X

- Definition

The amount of cash and cash equivalents whose use or withdrawal is restricted. [Refer: Cash and cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_RestrictedCashAndCashEquivalents
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Cash And Cash Equivalents

+ References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sqm_IsapreNorteGrandeLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: