Note 16 - Restructuring Costs and Other (Details Textual) $ in Millions		12 Months Ended
		Dec. 31, 2017 USD ($) Position	Dec. 31, 2016 USD ($) Position	Dec. 31, 2015 USD ($) Position
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		$ 38	$ 16	$ 46
Restructuring and Related Cost, Number of Positions Eliminated | Position		475	200	600
US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | Position		325	75	275
World Excluding US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | Position		150	125	325
Restructuring costs and other [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		$ 31	$ 15	$ 38
Accelerated Depreciation [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	[1]			8
Accelerated Depreciation [Member] | Cost of revenues [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs				$ 8
Manufacturing Service Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | Position		150	75	250
Administrative Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | Position		225	100	250
Research and Development Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | Position		100	25	100
Inventory Write-down [Member] | Cumulative Basis [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		$ 6
Inventory Write-down [Member] | Cost of revenues [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		7	$ 1
Employee Severance [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	[1]	26	$ 14	$ 33
Employee Severance [Member] | Cumulative Basis [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		4
Long Lived Asset Impairment Charges [Member] | Cumulative Basis [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		$ 2

[1] The severance and exit costs reserves require the outlay of cash, while long-lived asset impairments, accelerated depreciation and inventory write-downs represent non-cash items.