Note 15 - Restructuring Costs and Other - Restructuring Liabilities (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Restructuring Cost And Reserve [Line Items]
Balance		$ 11		$ 27		$ 34
Restructuring Costs		16		46		61
Utilization/cash payments		(17)		(50)		(57)
Other adjustments & reclasses		(2)	[1]	(12)	[2]	(11)	[3]
Balance		8		11		27
Continuing Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs		16		45		58
Discontinued Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs				1		3
Severance Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Balance	[4]	7		22		26
Utilization/cash payments	[4]	(14)		(36)		(47)
Other adjustments & reclasses	[4]	(2)	[1]	(12)	[2]	(11)	[3]
Balance	[4]	5		7		22
Severance Reserve [Member] | Continuing Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	[4]	14		32		51
Severance Reserve [Member] | Discontinued Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	[4]			1		3
Exit Costs Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Balance	[4]	4		5		8
Utilization/cash payments	[4]	(2)		(5)		(5)
Balance	[4]	3		4		5
Exit Costs Reserve [Member] | Continuing Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	[4]	1		4		2
Long Lived Asset Impairments and Inventory Write Downs [Member]
Restructuring Cost And Reserve [Line Items]
Utilization/cash payments	[4]	(1)		(1)		(3)
Long Lived Asset Impairments and Inventory Write Downs [Member] | Continuing Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	[4]	$ 1		1		3
Accelerated Depreciation [Member]
Restructuring Cost And Reserve [Line Items]
Utilization/cash payments	[4]			(8)		(2)
Accelerated Depreciation [Member] | Continuing Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	[4]			$ 8		$ 2

[1] The $(2) million represents severance related charges for pension plan curtailments and special termination benefits, which were reclassified to Pension and other postretirement liabilities.

[2] The $(12) million includes $(9) million of severance related charges for pension plan special termination benefits, which were reclassified to Pension and other postretirement liabilities and $(3) million of foreign currency translation adjustments.

[3] The $(11) million includes $(8) million of severance related charges for pension plan special termination benefits, which were reclassified to Pension and other postretirement liabilities and $(3) million of foreign currency translation adjustments.

[4] 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.