Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Inventory

The components of Inventories, net are as follows (in millions):

	December 31,
	2017		2016
Raw material	$	116	$	111
Work in process	1		1
Finished goods	341		233
Inventories, net	$	458	$	345

Property, Plant and Equipment

Property, plant and equipment, net is comprised of the following (in millions):

	December 31,
	2017			2016
Buildings	$	54		$	51
Land	8			10
Machinery and equipment	233			226
Furniture and office equipment	19			15
Software and computer equipment	235			197
Leasehold improvements	69			64
Projects in progress	23			35
	641			598
Less accumulated depreciation	(377		)	(306		)
Property, plant and equipment, net	$	264		$	292

Summary of Accrued Warranty Obligation

The following table is a summary of the Company’s accrued warranty obligation (in millions):

	Year Ended December 31,
Warranty reserve	2017			2016			2015
Balance at the beginning of the year	$	21		$	22		$	25
Warranty expense	28			31			30
Warranty payments	(31		)	(32		)	(33		)
Balance at the end of the year	$	18		$	21		$	22

Compensation Expense and Related Tax Benefit for Share-based Compensation

The compensation expense and the related income tax benefit for share-based compensation were included in the Consolidated Statements of Operations as follows (in millions):

	Year Ended December 31,
Compensation costs and related income tax benefit	2017		2016		2015
Cost of sales	$	3	$	2	$	3
Selling and marketing	8		6		8
Research and development	11		9		8
General and administration	16		11		14
Total compensation expense	$	38	$	28	$	33
Income tax benefit	$	11	$	9	$	11