Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

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

	December 31, 2015			December 31, 2014
Furniture and fixtures	$	283		$	255
Equipment and software	7,378			6,684
Buildings and improvements	2,373			2,308
Land	171			162
Building construction in progress	83			134
	10,288			9,543
Accumulated depreciation	(6,438		)	(5,777		)
	$	3,850		$	3,766

Depreciation expense was $1,019 million, $998 million and $867 million in 2015, 2014 and 2013, respectively. Building construction in progress at December 31, 2015 includes $44 million for facilities not yet placed in service that we are holding for future use.