4. Property, Plant and Equipment, net

Property, plant and equipment consist of (in millions):


	Estimated Useful Lives	June 30, 2025			December 31, 2024
Information technology assets	1-7 Years	$	46		$	45
Operating equipment (1)	2-15 Years		156			152
Buildings and land (2)	5-35 Years		99			100
Finance lease right-of-use assets	2-7 Years		46			46
Construction in progress			4			3
Total property, plant and equipment			351			346
Less: accumulated depreciation			(198	)		(189	)
Property, plant and equipment, net		$	153		$	157

(1)

Includes rental equipment.

(2)

Land has an indefinite life.