Supplemental Balance Sheet and Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Supplemental Balance Sheet Information [Text Block]

Inventory components at —

	June 30,   2018			December 31,   2017
Raw materials	$	469		$	442
Work in process and finished goods	638			580
Inventory reserves	(61		)	(53		)
Total	$	1,046		$	969

Supplemental Cash Flow Information [Table Text Block]

Cash, cash equivalents and restricted cash at —

	June 30,   2018		December 31,   2017		June 30,   2017		December 31,   2016
Cash and cash equivalents	$	339	$	603	$	568	$	707
Restricted cash included in other current assets			3		5		5
Restricted cash included in other noncurrent assets	4		4		4		4
Total cash, cash equivalents and restricted cash	$	343	$	610	$	577	$	716