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Joint Ventures - Narrative (Details) $ in Thousands					3 Months Ended			12 Months Ended
	May 09, 2024 USD ($)	Mar. 27, 2024 USD ($)	Dec. 19, 2023 USD ($)	Dec. 18, 2023 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023	Dec. 31, 2017
SQM Vitas Perú S.A.C.
Disclosure of joint ventures [line items]
Share of ownership in associates		100.00%						0.00%
Investments in joint ventures accounted for using equity method		$ 10,116
SQM Vitas Perú S.A.C. | SQM Vitas Fzco
Disclosure of joint ventures [line items]
Share of ownership in associates			50.00%
Other cash payments to acquire interests in joint ventures, classified as investing activities					$ 5,000
Pirra Lithium Pty Ltd.
Disclosure of joint ventures [line items]
Share of ownership in associates						40.00%	37.50%	40.00%
Other cash payments to acquire interests in joint ventures, classified as investing activities						$ 3,544	$ 3,544
Azure Minerals
Disclosure of joint ventures [line items]
Share of ownership in associates	50.00%							50.00%
Other cash payments to acquire interests in joint ventures, classified as investing activities	$ 356,846
Additional proportion of ownership interest in subsidiary acquired, percent	0.3057
Proportion of ownership interest in subsidiary	50.00%								19.43%
SQM Vitas Brasil | SQM Vitas Fzco
Disclosure of joint ventures [line items]
Share of ownership in associates			100.00%
Profit loss from sale of interests in associates			$ 2,600
Dividends received from joint ventures, classified as investing activities				$ 14,282
SQM Vitas Fzco
Disclosure of joint ventures [line items]
Dividends received from joint ventures, classified as investing activities								$ 12,500
Mt Holland
Disclosure of joint ventures [line items]
Proportion of ownership interest in subsidiary										50.00%
Contribution towards projects in joint operations								$ 840,900

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The cash inflow representing dividends received from joint ventures, classified as investing activities. [Refer: Total for all joint ventures [member]; Dividends received]

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The gains (losses) on disposals of investments.

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The amount of investments in joint ventures accounted for using the equity method. [Refer: Total for all joint ventures [member]; Investments accounted for using equity method]

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The cash outflow to acquire interests in joint ventures (other than payments for those instruments considered to be cash equivalents or those held for dealing or trading purposes), classified as investing activities. [Refer: Total for all joint ventures [member]]

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