Note 13 - Restructuring Liabilities (Details Textual) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017 USD ($) Position	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Sep. 30, 2017 USD ($) Position
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 5	$ 11	$ 13	$ 29
Restructuring and Related Cost, Number of Positions Eliminated	100			300
US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	75			200
World Excluding US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	25			100
Restructuring costs and other [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 4			$ 22
Inventory Write-down [Member] | Cost of revenues [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 1			$ 7
Manufacturing Service Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	25			100
Research and Development Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	25			50
Administrative Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	50			150