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Property, plant and equipment - Owned assets (Details) $ in Thousands, t in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) t | Dec. 31, 2022 USD ($)
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | $ 3,398,805 |
Value at end of period | 3,654,475 | $ 3,398,805
Buildings, plant installations and machinery |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 2,173,129 |
Value at end of period | 2,085,505 | 2,173,129
Plants under construction |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 1,001,888 |
Value at end of period | $ 1,355,497 | 1,001,888
Plants under construction | Methanol plant in Geismar, Louisiana |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Owned asset (in tonnes) | t | 1.8 |
Ocean vessels |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | $ 191,557 |
Value at end of period | 179,333 | 191,557
Other |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 32,231 |
Value at end of period | 34,140 | 32,231
Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 6,383,835 | 5,849,255
Additions | 532,073 | 582,399
Disposals and other | 310,818 | 47,819
Value at end of period | 6,605,090 | 6,383,835
Cost | Buildings, plant installations and machinery |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 5,000,999 | 4,908,492
Additions | 174,058 | 140,326
Disposals and other | 294,850 | 47,819
Value at end of period | 4,880,207 | 5,000,999
Cost | Plants under construction |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 1,001,888 | 561,860
Additions | 353,609 | 440,028
Disposals and other | 0 | 0
Value at end of period | 1,355,497 | 1,001,888
Cost | Plants under construction | Methanol plant in Geismar, Louisiana |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Owned assets, capitalized interest | 150,000 | 94,000
Cost | Ocean vessels |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 240,867 | 240,525
Additions | 253 | 342
Disposals and other | 397 | 0
Value at end of period | 240,723 | 240,867
Cost | Other |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 140,081 | 138,378
Additions | 4,153 | 1,703
Disposals and other | 15,571 | 0
Value at end of period | 128,663 | 140,081
Accumulated depreciation |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | (2,985,030) | (2,774,057)
Disposals and other | (297,431) | (51,430)
Depreciation | 263,016 | 262,403
Value at end of period | (2,950,615) | (2,985,030)
Accumulated depreciation | Buildings, plant installations and machinery |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | (2,827,870) | (2,631,268)
Disposals and other | (281,951) | (51,430)
Depreciation | 248,783 | 248,032
Value at end of period | (2,794,702) | (2,827,870)
Accumulated depreciation | Plants under construction |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | 0 | 0
Disposals and other | 0 | 0
Depreciation | 0 | 0
Value at end of period | 0 | 0
Accumulated depreciation | Ocean vessels |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | (49,310) | (37,271)
Disposals and other | 0 | 0
Depreciation | 12,080 | 12,039
Value at end of period | (61,390) | (49,310)
Accumulated depreciation | Other |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Value at beginning of period | (107,850) | (105,518)
Disposals and other | (15,480) | 0
Depreciation | 2,153 | 2,332
Value at end of period | $ (94,523) | $ (107,850)

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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 75 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_75_a&doctype=Standard -URIDate 2023-03-23 + Details
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