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Financial instruments - Narrative (Details) $ in Thousands, ¥ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 18, 2023 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Financial instruments [Line Items] |  |  |  |  |  |
Payments to acquire new plant |  |  |  | $ 1,103,598 | $ 905,247 | $ 464,718
Percentage of trade and other receivables due from renegotiated portfolio |  |  |  | 0 | 0 |
Effect on profit or loss for the period derivative instruments |  |  |  | $ (7,666) | $ 25,714 |
Outstanding purchase commitments |  |  |  | $ 296,598 | $ 191,319 |
Series Q bonds |  |  |  |  |  |
Financial instruments [Line Items] |  |  |  |  |  |
Effect on profit or loss for the period derivative instruments | $ 16,440 |  |  |  |  |
Proceeds received related to hedging items | $ 17,320 |  |  |  |  |
Battery-Grade Lithium Hydroxide Monohydrate Plant |  |  |  |  |  |
Financial instruments [Line Items] |  |  |  |  |  |
Payments to acquire new plant |  | $ 119,575 | ¥ 869.0 |  |  |
Battery-Grade Lithium Hydroxide Monohydrate Plant | First installment |  |  |  |  |  |
Financial instruments [Line Items] |  |  |  |  |  |
Payments to acquire new plant |  | $ 29,322 | ¥ 204.5 |  |  |

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- Definition The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_16_a&doctype=Standard -URIDate 2023-03-23 + Details
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