Supplemental Balance Sheet and Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2019

Text Block [Abstract]

Supplemental Balance Sheet Information [Text Block]

Inventory components at —

	June 30,   2019			December 31,   2018
Raw materials	$	524		$	433
Work in process and finished goods	818			649
Inventory reserves	(56		)	(51		)
Total	$	1,286		$	1,031

Supplemental Cash Flow Information [Table Text Block]

Cash, cash equivalents and restricted cash at —

	June 30,   2019		December 31,   2018		June 30,   2018		December 31,   2017
Cash and cash equivalents	$	289	$	510	$	339	$	603
Restricted cash included in other current assets	5		7				3
Restricted cash included in other noncurrent assets	4		3		4		4
Total cash, cash equivalents and restricted cash	$	298	$	520	$	343	$	610