Property, Plant and Equipment, Net

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment, Net [Abstract]

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net.

Property, plant and equipment, net consists of the following:

	Useful Life	June 30, 2016			December 31, 2015
	(in years)	(in millions)
Land		$	855		$	549
Buildings and improvements	4 - 40	3,033			2,456
Machinery, equipment and furniture	1 - 30	7,414			6,047
Assets leased to others	15 - 39	4,038			3,994
Construction in progress		591			598
		15,931			13,644
Less: Accumulated depreciation and amortization		(4,489		)	(4,109		)
Property, plant and equipment, net		$	11,442		$	9,535

Assets leased to others are related to our Railcar and Real Estate segments. Included in assets leased to others in the table above are our Railcar segment's railcars for lease in the amount of approximately $3.6 billion and $3.6 billion as of June 30, 2016 and December 31, 2015, respectively. Additionally, included in assets leased to others in the table above are our Real Estate segment's properties on lease in the amount of $421 million and $423 million as of June 30, 2016 and December 31, 2015, respectively. Aggregate accumulated depreciation pertaining to assets leased to others is approximately $1.1 billion and $1.1 billion as of June 30, 2016 and December 31, 2015, respectively.

Depreciation and amortization expense related to property, plant and equipment was $232 million and $185 million for the three months ended June 30, 2016 and 2015, respectively, and $438 million and $366 million for the six months ended June 30, 2016 and 2015, respectively.