Supplemental Balance Sheet and Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2019

Text Block [Abstract]

Supplemental Balance Sheet Information [Text Block]

Inventory components at —

	March 31,   2019			December 31,   2018
Raw materials	$	515		$	433
Work in process and finished goods	822			649
Inventory reserves	(55		)	(51		)
Total	$	1,282		$	1,031

Supplemental Cash Flow Information [Table Text Block]

Cash, cash equivalents and restricted cash at —

	March 31,   2019		December 31,   2018		March 31,   2018		December 31,   2017
Cash and cash equivalents	$	383	$	510	$	479	$	603
Restricted cash included in other current assets	9		7		8		3
Restricted cash included in other noncurrent assets	3		3		4		4
Total cash, cash equivalents and restricted cash	$	395	$	520	$	491	$	610