Property, Plant and Equipment, Net

12 Months Ended

Dec. 30, 2017

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

Note 5. Property, Plant and Equipment, Net

Our Manufacturing group’s property, plant and equipment, net is composed of the following:

(Dollars in millions)	Useful Lives (in years)		December 30, 2017		December 31, 2016
Land and buildings	3 – 40	$	1,948	$	1,884
Machinery and equipment	1 – 20		4,893		4,820
			6,841		6,704
Accumulated depreciation and amortization			(4,120)		(4,123)
Total		$	2,721	$	2,581

At December 30, 2017 and December 31, 2016, assets under capital leases totaled $290 million and $284 million, respectively, and had accumulated amortization of $94 million and $85 million, respectively. The Manufacturing group’s depreciation expense, which included amortization expense on capital leases, totaled $362 million, $368 million and $383 million in 2017, 2016 and 2015, respectively.