Property, Plant and Equipment and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following (in millions):

					Estimated  Depreciable Lives
	December 31,
	2021		2022
Construction work-in-progress	$	89.5	$	93.9
Land	111.5		121.9
Buildings	121.8		124.2		10 to 53 years
Storage tanks	1,986.7		1,985.4		10 to 49 years
Pipeline and station equipment	3,386.0		3,430.7		10 to 59 years
Processing equipment	1,826.4		1,875.7		3 to 56 years
Rights-of-way and other	524.0		532.1		3 to 53 years
Property, plant and equipment, gross	$	8,045.9	$	8,163.9