Property, Plant & Equipment - Net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant & Equipment - Net

PROPERTY, PLANT AND EQUIPMENT – NET

Significant classes of property, plant and equipment are as follows:

(Millions of dollars) December 31,	Depreciable Lives (Yrs)	2021		2020
Production plants (primarily 15-year life) (a)	10-20	$	29,120	$	28,226
Storage tanks	15-20	4,441		4,461
Transportation equipment and other	3-15	2,973		2,978
Cylinders	10-30	4,474		4,491
Buildings	25-40	3,265		3,327
Land and improvements (b)	0-20	1,121		1,259
Construction in progress		3,062		3,257
		48,456		47,999
Less: accumulated depreciation		(22,453)		(19,288)
		$	26,003	$	28,711

(a) - Depreciable lives of production plants related to long-term customer supply contracts are generally consistent with the contract lives.

(b) - Land is not depreciated.