Supplemental Financial Information

12 Months Ended

Dec. 31, 2017

15. SUPPLEMENTAL FINANCIAL INFORMATION

The components of other (expense), net are summarized as follows for the years ended December 31:



In millions	2017			2016			2015
Other (expense), net
Interest income	$	3		$	4		$	5
Foreign currency fluctuations and foreign exchange contracts	(26		)	(40		)	(21		)
Divestiture and liquidation losses	—			(6		)	(34		)
Other, net	(8		)	(8		)	(7		)
Total other (expense), net	$	(31	)	$	(50	)	$	(57	)

The components of accounts receivable are summarized as follows:



In millions	December 31, 2017			December 31, 2016
Accounts receivable
Trade	$	1,270		$	1,266
Other	37			57
Accounts receivable, gross	1,307			1,323
Less: allowance for doubtful accounts	(37		)	(41		)
Total accounts receivable, net	$	1,270		$	1,282

The components of inventory are summarized as follows:



In millions	December 31, 2017		December 31, 2016
Inventories
Work in process and raw materials	$	185	$	154
Finished goods	190		149
Service parts	405		396
Total inventories	$	780	$	699

The components of property, plant and equipment are summarized as follows:



In millions	December 31, 2017			December 31, 2016
Property, plant and equipment
Land and improvements	$	7		$	6
Buildings and improvements	278			198
Machinery and other equipment	633			598
Property, plant and equipment, gross	918			802
Less: accumulated depreciation	(577		)	(515		)
Total property, plant and equipment, net	$	341		$	287