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Property, plant and equipment
 12 Months Ended
Dec. 31, 2021
Property, plant and equipment [abstract]  
Property, plant and equipment Property, plant and equipment:
Owned Assets
(a)		Right-of-use assets
(b)		Total
Net book value at December 31, 2021$3,075,198 $610,951 $3,686,149 
Net book value at December 31, 2020$3,052,060 $624,996 $3,677,056 

a) Owned assets:
Buildings, plant
installations and
machinery
Plants Under Construction1
Ocean-going vessels
Other
TOTAL
Cost at January 1, 2021$4,861,912 $386,905 $210,099 $155,882 $5,614,798 
Additions
66,802 174,955 30,426 849 273,032 
Disposals and other
(20,222)— — (18,353)(38,575)
Cost at December 31, 20214,908,492 561,860 240,525 138,378 5,849,255 
Accumulated depreciation at January 1, 20212,413,176 — 27,926 121,636 2,562,738 
Disposals and other
(20,222)— — (18,353)(38,575)
Depreciation
238,314 — 9,345 2,235 249,894 
Accumulated depreciation at December 31, 20212,631,268 — 37,271 105,518 2,774,057 
Net book value at December 31, 2021$2,277,224 $561,860 $203,254 $32,860 $3,075,198 
1    The Company is constructing a 1.8 million tonne methanol plant in Geismar, Louisiana adjacent to its Geismar 1 and Geismar 2 facilities. Included in cost of Plants Under Construction are $54 million of capitalized interest and finance charges.


Buildings, plant
installations and
machinery
Plants under
construction
Ocean-going vesselsOther
TOTAL
Cost at January 1, 2020
$4,787,515 $155,871 $201,947 $154,468 $5,299,801 
Additions116,850 231,034 20,838 1,414 370,136 
Disposals and other
(42,453)— (12,686)— (55,139)
Cost at December 31, 2020
4,861,912 386,905 210,099 155,882 5,614,798 
Accumulated depreciation at January 1, 2020
2,215,060 — 25,448 118,516 2,359,024 
Disposals and other
(31,058)— (8,601)(29)(39,688)
Depreciation
229,174 — 11,079 3,149 243,402 
Accumulated depreciation at December 31, 2020
2,413,176 — 27,926 121,636 2,562,738 
Net book value at December 31, 2020
$2,448,736 $386,905 $182,173 $34,246 $3,052,060 
b) Right-of-use (leased) assets:
Ocean-going vessels
Terminals and tanks
Plant installations and machinery
Other
TOTAL
Cost at January 1, 2021$582,072 $246,553 $23,761 $39,670 $892,056 
Additions
86,610 12,206 36 1,679 100,531 
Disposals and other
(10,908)(16)— (446)(11,370)
Cost at December 31, 2021657,774 258,743 23,797 40,903 981,217 
Accumulated depreciation at January 1, 2021152,616 91,834 10,408 12,202 267,060 
Disposals and other
(10,323)— — (10,323)
Depreciation
71,711 33,660 2,442 5,716 113,529 
Accumulated depreciation at December 31, 2021214,004 125,494 12,850 17,918 370,266 
Net book value at December 31, 2021$443,770 $133,249 $10,947 $22,985 $610,951 

Ocean-going vessels
Terminals and tanks
Plant installations and machinery
Other
TOTAL
Cost at January 1, 2020$514,661 $221,303 $23,613 $38,520 $798,097 
Additions
86,214 25,758 148 1,885 114,005 
Disposals and other
(18,803)(508)— (735)(20,046)
Cost at December 31, 2020582,072 246,553 23,761 39,670 892,056 
Accumulated depreciation at January 1, 202089,643 59,240 7,867 5,929 162,679 
Disposals and other
(13,727)— — (299)(14,026)
Depreciation
76,700 32,594 2,541 6,572 118,407 
Accumulated depreciation at December 31, 2020152,616 91,834 10,408 12,202 267,060 
Net book value at December 31, 2020$429,456 $154,719 $13,353 $27,468 $624,996