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

[1] 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.

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