XML 137 R111.htm IDEA: XBRL DOCUMENT v3.20.4

Financial instruments (Details 6) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Financial instruments [Line Items]
Effect on profit or loss for the period Derivative instruments	$ 3,257
Hedging reserve in equity before tax	(3,707)
Debt [Member]
Financial instruments [Line Items]
Hedging assets	18,081
Hedging liabilities		$ (18,853)
Effect on profit or loss for the period Derivative instruments	11,472	(29,557)
Hedging reserve in equity before tax	6,609	10,704
Debt [Member] | Cross currency swap contracts [Member]
Financial instruments [Line Items]
Hedging liabilities	(19,195)	(22,771)
Effect on profit or loss for the period Derivative instruments	(12,956)	(25,363)
Hedging reserve in equity before tax	(6,239)	2,592
Debt [Member] | Forward contract [member]
Financial instruments [Line Items]
Hedging assets	37,276	3,918
Effect on profit or loss for the period Derivative instruments	24,428	(4,194)
Hedging reserve in equity before tax	12,848	8,112
Investment [Member]
Financial instruments [Line Items]
Hedging assets		16,381
Hedging liabilities	(21,004)
Effect on profit or loss for the period Derivative instruments	(20,626)	17,146
Hedging reserve in equity before tax	(378)	(765)
Investment [Member] | Cross currency swap contracts [Member]
Financial instruments [Line Items]
Hedging liabilities	(21,004)	(889)
Effect on profit or loss for the period Derivative instruments	(20,626)	(711)
Hedging reserve in equity before tax	(378)	(178)
Investment [Member] | Forward contract [member]
Financial instruments [Line Items]
Hedging assets	0	17,270
Effect on profit or loss for the period Derivative instruments	0	17,857
Hedging reserve in equity before tax	$ 0	$ (587)

X

- Definition

The gains (losses) on hedging instruments in fair value hedges. [Refer: Fair value hedges [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 24
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_24_a_i&doctype=Standard&book=b
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_GainsLossesOnHedgingInstrument
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of a hedging instrument, recognised as an asset. [Refer: Hedging instruments [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 24A
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_24A_a&doctype=Standard
-URIDate 2020-01-01

+ Details

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

X

- Definition

The amount of a hedging instrument, recognised as a liability. [Refer: Hedging instruments [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 24A
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_24A_a&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_HedgingInstrumentLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

A component of gross equity representing the hedging reserve.

+ References

No definition available.

+ Details

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

X

- Details

Name:	sqm_ClassesOfUnderlyingInstrumentAxis=sqm_DebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_HedgingInstrumentsAxis=sqm_CrossCurrencySwapContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_ForwardContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	sqm_ClassesOfUnderlyingInstrumentAxis=sqm_InvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: