XML 99 R76.htm IDEA: XBRL DOCUMENT v3.19.1

Significant accounting policies (Details)	Dec. 31, 2018	Dec. 31, 2017
Significant accounting policies [Line Items]
Closing foreign exchange rate	694.77	614.75
Brazilian real [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	3.87	3.02
New Peruvian Sol [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	3.37	3.08
Argentine peso [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	37.74	18.40
Japanese yen [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	110.38	113.00
Euro [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	0.87	0.83
Mexican peso [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	19.68	19.65
Australian dollar [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	1.42	1.28
Pound Sterling [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	0.79	0.74
South African rand [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	14.35	12.35
Ecuadorian Dollar [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	1.00	1.00
Chilean peso [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	694.77	614.75
Chinese yuan [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	6.88	6.51
Indian rupee [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	69.93	63.84
Thai baht [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	32.53	32.85
Turkish Lira Member [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	5.27	3.79
Uf [Member]
Significant accounting policies [Line Items]
Closing foreign exchange rate	39.68	43.59

X

- Definition

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_ClosingForeignExchangeRate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_BrazilianRealMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_NewPeruvianSolMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_ArgentinePesoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_JapaneseYenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_EuroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_MexicanPesoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_AustralianDollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_PoundSterlingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_SouthAfricanRandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_EcuadorianDollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_ChileanPesoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_ChineseYuanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_IndianRupeeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_ThaiBahtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_TurkishLiraMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=sqm_UfMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: