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Intangible assets and goodwill (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure Of Intangible Assets And Goodwill [Abstract]

Disclosure of detailed information about intangible assets [text block]

14.1        Balances

Balances		As of December ‎31, 2019				As of December ‎31, 2018
		ThUS$				ThUS$
Intangible assets other than goodwill			188,358				189,350
Goodwill			34,726				34,866
Total			223,084				224,216

Disclosure of detailed information about intangible assets and goodwill explanatory [Text Block]

Balances and movements in the main classes of intangible assets as of December 31, 2019 and December 31, 2018 are detailed as follows:

						As of December 31, 2019
Intangible assets and goodwill		Useful life				Gross Value				Accumulated ‎amortization				Accumulated ‎impairment				Net value
						ThUS$				ThUS$				ThUS$				ThUS$
IT programs			Finite				34,471				(28,460	)			-				6,011
Intellectual property rights, patents and other industrial property rights, service.			Finite				1,259				(1,131	)			(7	)			121
Mining property, water rights and rights of way			Indefinite				182,260				-				(2,642	)			179,618
Mining property			Finite				1,500				(206	)			-				1,294
Customer-related intangible assets			Finite				1,778				(505	)			-				1,273
Other intangible assets.			Finite				929				(888	)			-				41
Intangible assets other than goodwill							222,197				(31,190	)			(2,649	)			188,358
Goodwill			Indefinite				38,120				-				(3,394	)			34,726
Total Intangible Assets							260,317				(31,190	)			(6,043	)			223,084

						As of December 31, 2018
Intangible assets and goodwill		Useful life				Gross Value				Accumulated ‎amortization				Accumulated ‎impairment				Net value
						ThUS$				ThUS$				ThUS$				ThUS$
IT programs			Finite				29,137				(24,569	)			-				4,568
Intellectual property rights, patents and other industrial property rights, service.			Finite				1,254				(1,096	)			(7	)			151
Mining property, water rights and rights of way			Indefinite				183,349				-				(1,729	)			181,620
Mining property			Finite				1,500				(88	)			-				1,412
Customer-related intangible assets			Finite				1,778				(205	)			-				1,573
Other intangible assets			Finite				911				(885	)			-				26
Intangible assets other than goodwill							217,929				(26,843	)			(1,736	)			189,350
Goodwill			Indefinite				38,120				-				(3,254	)			34,866
Total Intangible Assets							256,049				(26,843	)			(4,990	)			224,216

Description of detailed information about estimated usefull life of intangible assets other than goodwill [Text Block]

c) Minimum and maximum amortization life or rates of intangible assets:

Estimated useful life or amortization rate		Minimum Life or ‎Rate				Maximum Life or ‎Rate
Mining property, water rights and rights of way			Indefinite				Indefinite
Mining property			1 year				11 years
Intellectual property rights, patents and other industrial property rights, service			1 year				16 years
Commercial trademarks			1 year				5 years
IT programs			2 years				6 years

Disclosure Of Movement Of Goodwill Table Text Block

The following table shows the movements in goodwill as of December 31, 2019:

Company		Gross value ‎As of December ‎31, 2018				Additional ‎recognition				Accumulated ‎impairment ‎losses				Net value ‎As of December ‎31, 2019
		ThUS$				ThUS$				ThUS$				ThUS$
SQM Industrial S.A.			3,214				-				(3,214	)			-
SQM S.A.			22,255				-				-				22,255
SQM Iberian S.A.			148				-				-				148
SQM Investment Corporation			86				-				-				86
Soquimich Comercial S.A.			320				-				(180	)			140
Soquimich European Holding			11,373				-				-				11,373
SQM Potasio S.A.			724				-				-				724
Total			38,120				-				(3,394	)			34,726

Disclosure of reconciliation of changes in intangible assets and goodwill [text block]

e) Reconciliation of identifiable intangible assets as of December 31, 2019:

Gross Value Movements in identifiable intangible ‎assets		IT programs				Intellectual ‎property rights, ‎patents and other ‎industrial ‎property rights, service, Finite				Mining property, ‎water rights, and ‎rights of way, ‎Indefinite				Mining ‎property finite				Customer-related ‎intangible assets				Other intangible ‎assets				Goodwill				Identifiable ‎intangible assets
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Opening Balance			29,137				1,254				183,349				1,500				1,778				911				38,120				256,049
Additions			2,606				5				227				-				-				18				-				2,856
Other increases / decreases of foreign currency			(7	)			-				(2	)			-				-				-				-				(9	)
Decreases through sale			-				-				(1,314	)			-				-				-				-				(1,314	)
Other increases (decreases)			2,735				-				-				-				-				-				-				2,735
Total increases (decreases)			5,334				5				(1,089	)			-				-				18				-				4,268
Closing balance			34,471				1,259				182,260				1,500				1,778				929				38,120				260,317

Accumulated amortization and impairment ‎Movements in identifiable intangible assets		IT programs				Intellectual ‎property rights, ‎patents and other ‎industrial ‎property rights, ‎service, Finite				Mining property, ‎water rights, and ‎rights of way, ‎Indefinite				Mining property ‎finite				Customer-related ‎intangible assets				Other intangible ‎assets				Goodwill				Identifiable ‎intangible assets
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Opening Balance			(24,569	)			(1,103	)			(1,729	)			(88	)			(205	)			(885	)			(3,254	)			(31,833	)
Other increases / decreases of foreign currency			3				-				-				-				-				-				-				3
Other increases (decreases)			(256	)			-				-				-				-				-				-				(256	)
Impairment losses recognized in profit or loss for the year			-				-				(913	)			-				-				-				(140	)			(1,053	)
Amortization			(3,638	)			(35	)			-				(118	)			(300	)			(3	)			-				(4,094	)
Total increases (decreases)			(3,891	)			(35	)			(913	)			(118	)			(300	)			(3	)			(140	)			(5,400	)
Closing balance			(28,460	)			(1,138	)			(2,642	)			(206	)			(505	)			(888	)			(3,394	)			(37,233	)

Net value ‎Movements in Identifiable intangible assets		IT programs				Intellectual ‎property rights, ‎patents and other ‎industrial ‎property rights, ‎service, Finite				Mining property, ‎water rights, and ‎rights of way, ‎Indefinite				Mining property ‎finite				Customer-related ‎intangible assets				Other intangible ‎assets				Goodwill				Identifiable ‎intangible assets
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Opening Balance			4,568				151				181,620				1,412				1,573				26				34,866				224,216
Additions			2,606				5				227				-				-				18				-				2,856
Amortization			(3,638	)			(35	)			-				(118	)			(300	)			(3	)			-				(4,094	)
Impairment losses recognized in profit or loss for the year			-				-				(913	)			-				-				-				(140	)			(1,053	)
Other increases / decreases of foreign currency			(4	)			-				(2	)			-				-				-				-				(6	)
Decreases through sale			-				-				(1,314	)			-				-				-				-				(1,314	)
Other increases (decreases)			2,479				-				-				-				-				-				-				2,479
Total increases (decreases)			1,443				(30	)			(2,002	)			(118	)			(300	)			15				(140	)			(1,132	)
Closing balance			6,011				121				179,618				1,294				1,273				41				34,726				223,084

Reconciliation of identifiable intangible assets as of December 31, 2018:

Gross Value Movements in identifiable intangible ‎assets		IT programs				Intellectual ‎property rights, ‎patents and other ‎industrial ‎property rights, ‎service, Finite				Mining property, ‎water rights, and ‎rights of way, ‎Indefinite				Mining property ‎finite				Customer-related ‎intangible assets				Other intangible ‎assets				Goodwill				Identifiable ‎intangible assets
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Opening Balance			25,060				1,250				104,858				1,500				1,778				171				37,972				172,589
Additions			1,159				5				77,201				-				-				11				-				78,376
Other increases / decreases of foreign currency			(5	)			(1	)			(4	)			-				-				-				-				(10	)
Other increases (decreases)			2,923				-				1,294				-				-				729				148				5,094
Total increases (decreases)			4,077				4				78,491				-				-				740				148				83,460
Closing balance			29,137				1,254				183,349				1,500				1,778				911				38,120				256,049

Accumulated amortization and impairment Movements in identifiable  intangible assets		IT programs				Intellectual ‎property rights, ‎patents and other ‎industrial ‎property rights, ‎service, Finite				Mining property, ‎water rights, and ‎rights of way, ‎Indefinite				Mining property ‎finite				Customer-related ‎intangible assets				Other intangible ‎assets				Goodwill				Identifiable ‎intangible assets
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Opening Balance			(19,769	)			(1,061	)			-				-				-				-				-				(20,830	)
Other increases / decreases of foreign currency			4				-				-				-				-				-				-				4
Impairment losses recognized in profit or loss for the year			-				(7	)			(1,729	)			-				-				-				(3,254	)			(4,990	)
Amortization			(2,880	)			(35	)			-				(88	)			(205	)			-				-				(3,208	)
Other increases (decreases)			(1,924	)			-				-				-				-				(885	)			-				(2,809	)
Total increases (decreases)			(4,800	)			(42	)			(1,729	)			(88	)			(205	)			(885	)			(3,254	)			(11,003	)
Closing balance			(24,569	)			(1,103	)			(1,729	)			(88	)			(205	)			(885	)			(3,254	)			(31,833	)

Net value ‎Movements in Identifiable intangible assets		IT programs				Intellectual ‎property rights, ‎patents and other ‎industrial ‎property rights, ‎service, Finite				Mining property, ‎water rights, and ‎rights of way, ‎Indefinite				Mining property ‎finite				Customer-related ‎intangible assets				Other intangible ‎assets				Goodwill				Identifiable ‎intangible assets
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Opening Balance			5,291				189				104,858				1,500				1,778				171				37,972				151,759
Additions			1,159				5				77,201				-				-				11				-				78,376
Amortization			(2,880	)			(35	)			-				(88	)			(205	)			-				-				(3,208	)
Impairment losses recognized in profit or loss for the year			-				(7	)			(1,729	)			-				-				-				(3,254	)			(4,990	)
Other increases / decreases of foreign currency			(1	)			(1	)			(4	)			-				-				-				-				(6	)
Other increases (decreases)			999				-				1,294				-				-				(156	)			148				2,285
Total increases (decreases)			(723	)			(38	)			76,762				(88	)			(205	)			(145	)			(3,106	)			72,457
Closing balance			4,568				151				181,620				1,412				1,573				26				34,866				224,216

Disclosure of reconciliation of changes in goodwill

g) Reconciliation of identifiable goodwill as of December 31, 2019:

Gross Value Movements in identifiable ‎goodwill		Goodwill at ‎the start of ‎the period ‎January 01, 2019				Additional ‎recognition				Recognition ‎subsequent to ‎deferred tax ‎assets (-)				Decreases for ‎classification ‎as held for ‎sale (-)				Goodwill write-off ‎without having been ‎included previously in ‎disposal groups ‎classified as held for ‎sale (-)				Impairment ‎losses ‎recognized in ‎profit or loss for ‎the year (-)				Increase ‎(decrease) for ‎net exchange ‎differences				Increase ‎(decrease) ‎due to other ‎changes				Total increase ‎(decrease)				Goodwill at ‎end of period
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM Industrial S.A.			3,214				-				-				-				-				-				-				-				-				3,214
SQM S.A.			22,255				-				-				-				-				-				-				-				-				22,255
SQM Iberian S.A.			148				-				-				-				-				-				-				-				-				148
SQM Investment Corporation			86				-				-				-				-				-				-				-				-				86
Soquimich Comercial S.A.			320				-				-				-				-				-				-				-				-				320
Soquimich European Holding B.V.			11,373				-				-				-				-				-				-				-				-				11,373
SQM Potasio S.A.			724				-				-				-				-				-				-				-				-				724
Total increases (decreases)			38,120				-				-				-				-				-				-				-				-				38,120
Closing balance			38,120				-				-				-				-				-				-				-				-				38,120

Accumulated impairment ‎Movements in identifiable goodwill		Goodwill at ‎the start of ‎the period ‎January 01, 2019				Additional ‎recognition				Recognition ‎subsequent to ‎deferred tax ‎assets (-)				Decreases for ‎classification ‎as held for ‎sale (-)				Goodwill write-off ‎without having been ‎included previously in ‎disposal groups ‎classified as held for ‎sale (-)				Impairment ‎losses ‎recognized in ‎profit or loss for ‎the year (-)				Increase ‎(decrease) for ‎net exchange ‎differences				Increase ‎(decrease) ‎due to other ‎changes				Total increase ‎(decrease)				Goodwill at ‎end of period
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM Industrial S.A.			(3,214	)			-				-				-				-				-				-				-				-				(3,214	)
SQM S.A.			-				-				-				-				-				-				-				-				-				-
SQM Iberian S.A.			-				-				-				-				-				-				-				-				-				-
SQM Investment Corporation			-				-				-				-				-				-				-				-				-				-
Soquimich Comercial S.A.			(40	)			-				-				-				-				(140	)			-				-				(140	)			(180	)
Soquimich European Holding B.V.			-				-				-				-				-				-				-				-				-				-
SQM Potasio S.A.			-				-				-				-				-				-				-				-				-				-
Total increases (decreases)			(3,254	)			-				-				-				-				(140	)			-				-				(140	)			(3,394	)
Closing balance			(3,254	)			-				-				-				-				(140	)			-				-				(140	)			(3,394	)

Net Value Movements in identifiable goodwill		Goodwill at ‎the start of ‎the period ‎January 01, 2019				Additional ‎recognition				Recognition ‎subsequent to ‎deferred tax ‎assets (-)				Decreases for ‎classification ‎as held for ‎sale (-)				Goodwill write-off ‎without having been ‎included previously in ‎disposal groups ‎classified as held for ‎sale (-)				Impairment ‎losses ‎recognized in ‎profit or loss for ‎the year (-)				Increase ‎(decrease) for ‎net exchange ‎differences				Increase ‎(decrease) ‎due to other ‎changes				Total increase ‎(decrease)				Goodwill at ‎end of period
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM Industrial S.A.			-				-				-				-				-				-				-				-				-				-
SQM S.A.			22,255				-				-				-				-				-				-				-				-				22,255
SQM Iberian S.A.			148				-				-				-				-				-				-				-				-				148
SQM Investment Corporation			86				-				-				-				-				-				-				-				-				86
Soquimich Comercial S.A.			280				-				-				-				-				(140	)			-				-				(140	)			140
Soquimich European Holding B.V.			11,373				-				-				-				-				-				-				-				-				11,373
SQM Potasio S.A.			724				-				-				-				-				-				-				-				-				724
Total increases (decreases)			34,866				-				-				-				-				(140	)			-				-				(140	)			34,726
Closing balance			34,866				-				-				-				-				(140	)			-				-				(140	)			34,726

h) Reconciliation of identifiable goodwill as of December 31, 2018:

Gross Value ‎Movements in identifiable goodwill		Goodwill at ‎the start of ‎the period ‎January 01, 2018				Additional ‎recognition				Recognition ‎subsequent to ‎deferred tax ‎assets (-)				Decreases for ‎classification ‎as held for ‎sale (-)				Goodwill write-off ‎without having been ‎included previously in ‎disposal groups ‎classified as held for ‎sale (-)				Impairment ‎losses ‎recognized in ‎profit or loss for ‎the year (-)				Increase ‎(decrease) for ‎net exchange ‎differences				Increase ‎(decrease) ‎due to other ‎changes				Total increase ‎(decrease)				Goodwill at ‎end of period
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM Industrial S.A.			3,214				-				-				-				-				-				-				-				-				3,214
SQM S.A.			22,255				-				-				-				-				-				-				-				-				22,255
SQM Iberian S.A.			-				-				-				-				-				-				-				148				148				148
SQM Investment Corporation			86				-				-				-				-				-				-				-				-				86
Soquimich Comercial S.A.			320				-				-				-				-				-				-				-				-				320
Soquimich European Holding B.V.			11,373				-				-				-				-				-				-				-				-				11,373
SQM Potasio S.A.			724				-				-				-				-				-				-				-				-				724
Total increases (decreases)			37,972				-				-				-				-				-				-				148				148				38,120
Closing balance			37,972				-				-				-				-				-				-				148				148				38,120

Accumulated impairment ‎Movements in identifiable goodwill		Goodwill at ‎the start of ‎the period ‎January 01, 2018				Additional ‎recognition				Recognition ‎subsequent to ‎deferred tax ‎assets (-)				Decreases for ‎classification ‎as held for ‎sale (-)				Goodwill write-off ‎without having been ‎included previously in ‎disposal groups ‎classified as held for ‎sale (-)				Impairment ‎losses ‎recognized in ‎profit or loss for ‎the year (-)				Increase ‎(decrease) for ‎net exchange ‎differences				Increase ‎(decrease) ‎due to other ‎changes				Total increase ‎(decrease)				Goodwill at ‎end of period
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM Industrial S.A.			-				-				-				-				-				-				-				(3,214	)			(3,214	)			(3,214	)
SQM S.A.			-				-				-				-				-				-				-				-				-				-
SQM Iberian S.A.			-				-				-				-				-				-				-				-				-				-
SQM Investment Corporation			-				-				-				-				-				-				-				-				-				-
Soquimich Comercial S.A.			-				-				-				-				-				-				-				(40	)			(40	)			(40	)
Soquimich European Holding B.V.			-				-				-				-				-				-				-				-				-				-
SQM Potasio S.A.			-				-				-				-				-				-				-				-				-				-
Total increases (decreases)			-				-				-				-				-				-				-				(3,254	)			(3,254	)			(3,254	)
Closing balance			-				-				-				-				-				-				-				(3,254	)			(3,254	)			(3,254	)

Net Value ‎Movements in identifiable goodwill		Goodwill at ‎the start of ‎the period ‎January 01, 2018				Additional ‎recognition				Recognition ‎subsequent to ‎deferred tax ‎assets (-)				Decreases for ‎classification ‎as held for ‎sale (-)				Goodwill write-off ‎without having been ‎included previously in ‎disposal groups ‎classified as held for ‎sale (-)				Impairment ‎losses ‎recognized in ‎profit or loss for ‎the year (-)				Increase ‎(decrease) for ‎net exchange ‎differences				Increase ‎(decrease) ‎due to other ‎changes				Total increase ‎(decrease)				Goodwill at ‎end of period
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM Industrial S.A.			3,214				-				-				-				-				-				-				(3,214	)			(3,214	)			-
SQM S.A.			22,255				-				-				-				-				-				-				-				-				22,255
SQM Iberian S.A.			-				-				-				-				-				-				-				148				148				148
SQM Investment Corporation			86				-				-				-				-				-				-				-				-				86
Soquimich Comercial S.A.			320				-				-				-				-				-				-				(40	)			(40	)			280
Soquimich European Holding B.V.			11,373				-				-				-				-				-				-				-				-				11,373
SQM Potasio S.A.			724				-				-				-				-				-				-				-				-				724
Total increases (decreases)			37,972				-				-				-				-				-				-				(3,106	)			(3,106	)			34,866
Closing balance			37,972				-				-				-				-				-				-				(3,106	)			(3,106	)			34,866

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The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill]

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