Note 13 - Restructuring Liabilities (Details Textual) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) Position	Mar. 31, 2017 USD ($)	Jun. 30, 2017 USD ($) Position
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 11	$ 13	$ 24
Restructuring and Related Cost, Number of Positions Eliminated	100		200
US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	75		125
World Excluding US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	25		75
Manufacturing Service Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	50		75
Administrative Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	50		100
Research and Development Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated			25
Restructuring costs and other [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $	$ 11		$ 18
Cost of revenues [Member] | Inventory Write-down [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs | $			$ 6