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Effect of fluctuations in foreign currency exchange rates
 12 Months Ended
Dec. 31, 2019
Disclosure of effect of changes in foreign exchange rates [Abstract]  
Disclosure of effect of changes in foreign exchange rates [text block]
Note 27   Effect of fluctuations in foreign currency exchange rates
 
a)
Foreign currency exchange differences recognized in profit or loss and other comprehensive income:
 
Exchange rate differences recognized in income and other comprehensive incom
e
 
As of December

‎
31, 2019
 
 
As of December

‎
31, 2018
 
 
As of December

‎
31, 2017
 
 
 
ThUS$
 
 
ThUS$
 
 
ThUS$
 
Conversion foreign exchange gains (losses) recognized in the result of the year.
 
 
(2,169
)
 
 
(16,597
)
 
 
(1,299
)
Reserves for translation differences
 
 
 
 
 
 
 
 
 
 
 
 
Conversion foreign exchange reserves attributable to the owners of the controlling entity.
 
 
562
 
 
 
(1,394
)
 
 
(5,450
)
Conversion foreign exchange reserves attributable to the non-controlling entity.
 
 
226
 
 
 
174
 
 
 
4
 
Total
 
 
788
 
 
 
(1,220
)
 
 
(5,446
)
 
b)
Reserves for foreign currency exchange differences, Equity:
 
As of December 31, 2019, 2018 and 2017, foreign currency exchange differences are detailed as follows:
 
Detail
 
As of December

‎
31, 2019
 
 
As of December

‎
31, 2018
 
 
As of December

‎
31, 2017
 
 
 
ThUS$
 
 
ThUS$
 
 
ThUS$
 
Changes in equity generated by conversion of equity value:
 
 
 
 
 
 
 
 
 
 
 
 
Comercial Hydro S.A.  
 
 
1,004
 
 
 
1,004
 
 
 
1,004
 
SQMC Internacional Ltda.
 
 
(9
)
 
 
(17
)
 
 
(2
)
Proinsa Ltda.  
 
 
(10
)
 
 
(11
)
 
 
(7
)
Comercial Agrorama Ltda.
 
 
33
 
 
 
(21
)
 
 
(44
)
Isapre Norte Grande Ltda.
 
 
(44
)
 
 
(1
)
 
 
(74
)
Almacenes y Depósitos Ltda.
 
 
142
 
 
 
113
 
 
 
97
 
Sacal S.A.
 
 
(3
)
 
 
(3
)
 
 
-
 
Sociedad prestadora de servicios de Salud Cruz del Norte S.A.
 
 
(19
)
 
 
(10
)
 
 
-
 
Agrorama S.A.
 
 
231
 
 
 
132
 
 
 
(98
)
Doktor Tarsa Tarim Sanayi AS
 
 
(13,811
)
 
 
(13,811
)
 
 
(14,447
)
SQM Vitas Fzco.
 
 
(2,267
)
 
 
(2,682
)
 
 
(1,779
)
Ajay Europe S.A.R.L
 
 
(1,449
)
 
 
(1,270
)
 
 
 
 
SQM Eastmed Turkey
 
 
(155
)
 
 
(113
)
 
 
(92
)
Doctochem Tarim Sanayi LTD
 
 
7
 
 
 
-
 
 
 
-
 
Coromandel SQM India
 
 
(431
)
 
 
(393
)
 
 
(234
)
SQM Italia SRL
 
 
(236
)
 
 
(213
)
 
 
(154
)
SQM Oceanía Pty Ltd.
 
 
(634
)
 
 
(634
)
 
 
(634
)
SQM Indonesia S.A.
 
 
(124
)
 
 
(124
)
 
 
(124
)
Abu Dhabi Fertillizers Industries WWL.
 
 
372
 
 
 
(435
)
 
 
(435
)
SQM Vitas Holland
 
 
(197
)
 
 
(170
)
 
 
(101
)
SQM Thailand Limited
 
 
(68
)
 
 
(68
)
 
 
(68
)
SQM Europe N.V.
 
 
(1,983
)
 
 
(1,983
)
 
 
(1,550
)
SQM Australia Pty Ltd.
 
 
(4,035
)
 
 
(4,222
)
 
 
154
 
Pavoni & C. Spa
 
 
(185
)
 
 
70
 
 
 
-
 
Terra Tarsa BV
 
 
116
 
 
 
(82
)
 
 
-
 
Plantacote NV
 
 
(16
)
 
 
(34
)
 
 
-
 
Doktolab Tarim Arastirma San.
 
 
(54
)
 
 
(29
)
 
 
-
 
Kore Potash PLC (a)
 
 
(1,754
)
 
 
(1,206
)
 
 
-
 
SQM Colombia SAS
 
 
(166
)
 
 
(94
)
 
 
-
 
Minera Exar S.A.
 
 
-
 
 
 
-
 
 
 
(5,209
)
Charlee SQM (Thailand) Co. Ltd.
 
 
-
 
 
 
-
 
 
 
(285
)
Ajay Europe S.A.R.L.
 
 
-
 
 
 
-
 
 
 
(831
)
Total
 
 
(25,745
)
 
 
(26,307
)
 
 
(24,913
)
 
c)
Functional and presentation currency
 
The functional currency of these companies corresponds to the currency of the country of origin of each entity, and its presentation currency is the U.S. dollar.
 
 
d)
Reasons to use one presentation currency and a different functional currency
-
The total revenues of these subsidiaries are associated with the local currency.
-
The commercialization cost structure of these companies is affected by the local currency.