Disclosures on reserves in Equity (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure of detailed information about controls capital management [Abstract]

Disclosure of detailed information about controls capital management [Text Block]

The Company’s management controls capital management based on the following ratios:

Capital Management	As of ‎ December 31, ‎ 2019			As of ‎ December 31, ‎ 2018			Description (1)	Calculation (1)
Net Financial Debt (ThUS$)		719,809			471,755		Financial Debt – Financial Resources	Other current Financial Liabilities + Other Non-Current Financial Liabilities – Cash and Cash Equivalents – Other Current Financial Assets – Hedging Assets, non-current
Liquidity		3.45			4.32		Current Assets divided by Current Liabilities	Total Current Assets / Total Current Liabilities
Net Debt / Capitalization		0.25			0.18		Net Financial Debt divided by Total Equity	Net financial debt / Total Equity
ROE		13.154	%		20.7	%	Profit for the year divided by Total Equity	LTM (2) Profit for the year / Equity
Adjusted EBITDA (ThUS$)		645,142			855,652		Adjusted EBITDA	Profit for the year + Depreciation and Amortization Expenses + Finance Costs + Income Tax – Other income and Share of profit of associates and joint ventures + Other expenses – Finance income – Currency differences
EBITDA (MUS$)		669,831			902,450		EBITDA	Profit for the year + Depreciation and Amortization Expenses + Finance Costs + Income Tax
ROA		12.76	%		20.31	%	Adjusted EBITDA – Depreciation divided by Total Assets net of financial resources less related parties’ investments	(LTM Gross Profit – Administrative Expenses)/ (Total Assets – Cash and Cash Equivalents – Other Current Financial Assets – Other Non-Current Financial Assets – Equity-accounted Investments)
Indebtedness		1.19			1.00		Total Liabilities on Equity	Total Liabilities / Total Equity

Disclosure of classes of share capital [text block]

Detail of capital classes in shares:

As of December 31, 2019 and 2018, the Company has not placed any new shares issues on the market

	As of December 31, 2019				As of December 31, 2018
Type of capital in preferred shares	Serie A		Serie B		Serie A		Serie B
Description of type of capital in preferred shares
Number of authorized shares		142,819,552		120,376,972		142,819,552		120,376,972
Number of fully subscribed and paid shares		142,819,552		120,376,972		142,819,552		120,376,972
Number of subscribed, partially paid shares		-		-		-		-
Par value of shares in US$		0.9435		2.8464		0.9435		2.8464
Increase (decrease) in the number of current shares		-		-		-		-
Number of current shares		142,819,552		120,376,972		142,819,552		120,376,972
Number of shares owned by the entity or its subsidiaries or associates		-		-		-		-
Number of shares whose issuance is reserved due to the existence of options or agreements to dispose shares		-		-		-		-
Capital amount in shares ThUS$		134,750		342,636		134,750		342,636
Amount of premium issuance ThUS$		-		-		-		-
Amount of reserves ThUS$		-		-		-		-
Total number of subscribed shares		142,819,552		120,376,972		142,819,552		120,376,972

19.3 Disclosures on reserves in Equity

As of December 31, 2019, 2018 and 2017, this caption comprises the following:

Disclosures on reserves un Equity	As of December ‎ 31, 2019			As of December ‎ 31, 2018			As of December ‎ 31, 2017
	ThUS$			ThUS$			ThUS$
Reserve for currency exchange conversion		(25,745	)		(26,307	)		(24,913	)
Reserve for cash flow hedges		7,196			7,971			2,248
Reserve for gains and losses from financial assets measured at fair value through other comprehensive income		(270	)		(1,111	)		2,937
Reserve for actuarial gains or losses in defined benefit plans		(9,490	)		(6,884	)		(5,953	)
Other reserves		14,086			11,332			11,332
Total		(14,223	)		(14,999	)		(14,349	)

Disclosure of detailed information about movement in other reserves [Text Block]

Movements in other reserves and changes in interest were as follows:

	Foreign currency translation difference			Reserve for cash flow hedges						Reserve for actuarial gains and losses from defined benefit plans						Reserve for gains (losses) from financial assets measured at fair value through other comprehensive income						Other reserves			Total reserves
Movements	Before taxes			Before taxes			Tax			Before taxes			Deferred taxes			Before taxes			Deferred taxes			Before taxes			Reserves			Deferred taxes			Total reserves
	ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$
Opening balance as of January 1, 2017		(19,463	)		64			-			(5,446	)		612			4,813			(1,300	)		7,832			(12,200	)		(688	)		(12,888	)
Increase		1,992			4,068			-			1,092			(308	)		6,090			-			3,500			16,742			(308	)		16,434
Decrease		(7,442	)		(1,884	)		-			(2,493	)		590			(6,116	)		(550	)		-			(17,935	)		40			(17,895	)
Closing balance as of December 31, 2017		(24,913	)		2,248			-			(6,847	)		894			4,787			(1,850	)		11,332			(13,393	)		(956	)		(14,349	)
Increase		6,542			14,794			-			674			(133	)		294			(79	)		-			22,304			(212	)		22,092
Decrease		(7,936	)		(9,071	)		-			(2,003	)		531			(5,841	)		1,578			-			(24,851	)		2,109			(22,742	)
Closing balance as of December 31, 2018		(26,307	)		7,971			-			(8,176	)		1,292			(760	)		(351	)		11,332			(15,940	)		941			(14,999	)
Increase		1,824			8,628			(2,683	)		-			-			1,570			(424	)		3,093			15,115			(3,107	)		12,008
Decrease		(1,262	)		(6,720	)		-			(3,306	)		700			(418	)		113			(339	)		(12,045	)		813			(11,232	)
Closing balance as of December 31, 2019		(25,745	)		9,879			(2,683	)		(11,482	)		1,992			392			(662	)		14,086			(12,870	)		(1,353	)		(14,223	)

Disclosure of detailed information about legal reserves reported in the individual financial statements of the subsidiaries [Text Block]

Subsidiary - Associate	As of December ‎ 31, 2019			As of December ‎ 31, 2018			As of December ‎ 31, 2017
	ThUS$			ThUS$			ThUS$
SQM Iberian S.A. (1)		9,464			9,464			9,464
SQM Europe NV		1,957			1,957			1,957
Soquimich European holding B.V.		828			828			828
Abu Dhabi Fertilizer Industries WWL		455			455			455
Doktor Tarsa Tarim Sanayi AS		305			305			305
Kore Potash PLC		2,754			-			-
Total		15,763			13,009			13,009
Corresponds to the acquisition of the subsidiary SQM Iberian S.A., which was already under Company ownership at the acquisition date (IAS 27 R).		(1,677	)		(1,677	)		(1,677	)
Total Other reserves		14,086			11,332			11,332

(1)

In the case of SQM Iberian S.A., the balance corresponds to the results obtained in the previous financial year which are presented as forming part of other reserves because of local regulations

Disclosure of dividends [text block]

Dividends were the following:

Dividends	For the year ended ‎ December 31, 2019		For the year ended ‎ December 31, 2018		For the year ended ‎ December 31, 2017
	ThUS$		ThUS$		ThUS$
Ajay SQM Chile S.A. Dividends		882		823		55,501
Soquimich Comercial S.A. Interim Dividend		3,936		7,872		-
Soquimich Comercial S.A. Payable Dividend		1,999		1,038		3,171
Non-controlling interests		6,817		9,733		58,672
Interim dividend		211,224		331,199		317,243
Additional dividend		-		100,000		-
Dividends payable		66,891		108,631		107,358
Owners of the Parent		278,115		539,8300		424,601
Dividends discounted from equity for the period		284,932		549,563		483,273

Disclosure of Information attributable to non-controlling interests [Text Block]

Detail of non-controlling interests

				Profit (loss) attributable to non-controlling interest									Equity, non-controlling interests									Dividends paid to noncontrolling interests
Subsidiaries	% of interests in ‎ the ownership ‎ held ‎ by non-controlling ‎ interest			For the year ‎ ended ‎ December 31, ‎ 2019			For the year ‎ ended ‎ December 31, ‎ 2018			For the year ‎ ended ‎ December ‎ 31, 2017			For the year ‎ ended ‎ December ‎ 31, 2019			For the year ‎ ended ‎ December 31, ‎ 2018			For the ‎ year ‎ ended ‎ December ‎ 31, 2017			For the year ‎ ended ‎ December ‎ 31, 2019		For the year ‎ ended ‎ December ‎ 31, 201 8		For the year ‎ ended ‎ December ‎ 31, 2017
				ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$		ThUS$		ThUS$
Proinsa Ltda.		0.1	%		-			-			-			-			-			-			-		-		-
SQM Potasio S.A.		0.00001	%		-			-			-			-			-			-			-		-		-
Ajay SQM Chile S.A.		49	%		740			1,176			1,023			8,517			8,659			8,306			882		823		989
Soquimich Comercial S.A.		39.3616784	%		1,999			1,375			100			38,103			41,855			49,247			5,935		8,910		1,264
Comercial Agrorama Ltda.		30	%		(251	)		(318	)		(403	)		(693	)		(481	)		(184	)		-		-		-
Agrorama S.A.		0.001	%		-			-						-			-			-			-		-		-
Orcoma Estudios SPA		49	%		-			-			-			2,277			2,277			2,277			-		-		-
SQM Indonesia S.A.		20	%		-			-			-			1			1			-			-		-		-
Total					2,488			2,233			720			48,205			52,311			59,646			6,817		9,733		2,253