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

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31, 2021			December 31, 2020
Raw materials	$	532		$	473
Work in process and finished goods		805			752
Inventory reserves		(77	)		(76	)
Total	$	1,260		$	1,149

Schedule of Cash and Cash Equivalents [Table Text Block]

	March 31, 2021		December 31, 2020		March 31, 2020		December 31, 2019
Cash and cash equivalents	$	483	$	559	$	628	$	508
Restricted cash included in other current assets		7		5		5		6
Restricted cash included in other noncurrent assets		3		3		3		4
Total cash, cash equivalents and restricted cash	$	493	$	567	$	636	$	518