XML 89 R66.htm IDEA: XBRL DOCUMENT v3.25.0.1
Property, plant and equipment - Owned assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period $ 3,654,475  
Asset impairment charge 124,788 $ 0
Value at end of period 3,501,683 3,654,475
Buildings, plant installations and machinery    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 2,085,505  
Value at end of period 3,298,360 2,085,505
Plants under construction    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 1,355,497  
Value at end of period 0 1,355,497
Ocean vessels    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 179,333  
Value at end of period 169,240 179,333
Other    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 34,140  
Value at end of period 34,083 34,140
Cost    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 6,605,090 6,383,835
Additions 225,140 532,073
Disposals and other 100,431 310,818
Transfers 0  
Value at end of period 6,729,799 6,605,090
Cost | Buildings, plant installations and machinery    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 4,880,207 5,000,999
Additions 97,439 174,058
Disposals and other 91,338 294,850
Transfers 1,471,112  
Value at end of period 6,357,420 4,880,207
Cost | Plants under construction    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 1,355,497 1,001,888
Additions 123,881 353,609
Disposals and other 8,266 0
Transfers (1,471,112)  
Value at end of period 0 1,355,497
Cost | Plants under construction | Methanol plant in Geismar, Louisiana    
Reconciliation of changes in property, plant and equipment [abstract]    
Owned assets, capitalized interest 201,000 150,000
Cost | Ocean vessels    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 240,723 240,867
Additions 2,013 253
Disposals and other 277 397
Transfers 0  
Value at end of period 242,459 240,723
Cost | Other    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period 128,663 140,081
Additions 1,807 4,153
Disposals and other 550 15,571
Transfers 0  
Value at end of period 129,920 128,663
Accumulated depreciation    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period (2,950,615) (2,985,030)
Disposals and other (97,604) (297,431)
Depreciation 250,317 263,016
Asset impairment charge 124,788  
Value at end of period (3,228,116) (2,950,615)
Accumulated depreciation | Buildings, plant installations and machinery    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period (2,794,702) (2,827,870)
Disposals and other (96,828) (281,951)
Depreciation 236,398 248,783
Asset impairment charge 124,788  
Value at end of period (3,059,060) (2,794,702)
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
Asset impairment charge 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 (61,390) (49,310)
Disposals and other 0 0
Depreciation 11,829 12,080
Asset impairment charge 0  
Value at end of period (73,219) (61,390)
Accumulated depreciation | Other    
Reconciliation of changes in property, plant and equipment [abstract]    
Value at beginning of period (94,523) (107,850)
Disposals and other (776) (15,480)
Depreciation 2,090 2,153
Asset impairment charge 0  
Value at end of period $ (95,837) $ (94,523)