Note 5 - Supplemental Balance Sheet and Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31, 2022			December 31, 2021
Raw materials	$	699		$	651
Work in process and finished goods		1,029			1,000
Inventory reserves		(97	)		(87	)
Total	$	1,631		$	1,564

Schedule of Cash and Cash Equivalents [Table Text Block]

	March 31, 2022		December 31, 2021		March 31, 2021		December 31, 2020
Cash and cash equivalents	$	259	$	268	$	483	$	559
Restricted cash included in other current assets		9		9		7		5
Restricted cash included in other noncurrent assets		12		10		3		3
Total cash, cash equivalents and restricted cash	$	280	$	287	$	493	$	567