Note 13 - Restructuring Liabilities (Details) - USD ($) $ in Millions		3 Months Ended				6 Months Ended
		Jun. 30, 2017		Mar. 31, 2017		Jun. 30, 2017
Restructuring Cost And Reserve [Line Items]
Balance		$ 9		$ 8		$ 8
Restructuring costs		11		13		24
Utilization/cash payments		(4)		(11)
Other adjustments and reclasses		(4)	[1]	(1)	[2]	(4)
Balance		12		9		12
Severance Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Balance	[3]	6		5		5
Restructuring costs	[3]	8		5
Utilization/cash payments	[3]	(3)		(3)
Other adjustments and reclasses	[3]	(4)	[1]	(1)	[2]
Balance	[3]	7		6		7
Exit Costs Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Balance	[3]	3		3		3
Restructuring costs	[3]	3
Utilization/cash payments	[3]	(1)
Balance	[3]	$ 5		3		$ 5
Long Lived Asset Impairments and Inventory Write Downs [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs	[3]			8
Utilization/cash payments	[3]			$ (8)

[1] The $(4) million includes $(5) million of severance related charges for pension plan special termination benefits, which were reclassified to Pension and other postretirement liabilities, and $1 million of foreign currency translation adjustments.

[2] The $(1) million represents severance related charges for pension plan special termination benefits, which are reflected in Pension and other postretirement liabilities in the Consolidated Statement of Financial Position.

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