Note 13 - Restructuring Liabilities (Details) - USD ($) $ in Millions		3 Months Ended						9 Months Ended
		Sep. 30, 2017		Jun. 30, 2017		Mar. 31, 2017		Sep. 30, 2017
Restructuring Cost And Reserve [Line Items]
Balance		$ 12		$ 9		$ 8		$ 8
Restructuring costs		5		11		13		29
Utilization/cash payments		(3)		(4)		(11)
Other adjustments and reclasses		(3)	[1]	(4)	[2]	(1)	[3]
Balance		11		12		9		11
Severance Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Balance	[4]	7		6		5		5
Restructuring costs	[4]	4		8		5
Utilization/cash payments	[4]	(2)		(3)		(3)
Other adjustments and reclasses	[4]	(3)	[1]	(4)	[2]	(1)	[3]
Balance	[4]	6		7		6		6
Exit Costs Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Balance	[4]	5		3		3		3
Restructuring costs	[4]			3
Utilization/cash payments	[4]			(1)
Balance	[4]	5		$ 5		3		$ 5
Long Lived Asset Impairments and Inventory Write Downs [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs	[4]	1				8
Utilization/cash payments	[4]	$ (1)				$ (8)

[1] The $(3) 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 $(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.

[3] 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.

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