Note 13 - Restructuring Liabilities (Details Textual) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($) Position
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 13
Restructuring and Related Cost, Number of Positions Eliminated	100
US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	50
World Excluding US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	50
Restructuring costs and other [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 7
Inventory Write-down [Member] | Cost of revenues [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 6
Manufacturing Service Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	25
Research and Development Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	25
Administrative Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	50