Note 18 - Restructuring Costs and Other - Restructuring Liabilities (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018		Dec. 31, 2017
Restructuring Cost And Reserve [Line Items]
Beginning Balance		$ 10		$ 8
Charges		17		38
Utilization/cash payments		(14)		(24)
Other adjustments & reclasses		(5)	[1]	(12)	[2]
Ending Balance		8		10
Severance Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	[3]	6		5
Charges	[3]	17		26
Utilization/cash payments	[3]	(12)		(13)
Other adjustments & reclasses	[3]	(5)	[1]	(12)	[2]
Ending Balance	[3]	6		6
Exit Costs Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	[3]	4		3
Charges	[3]			3
Utilization/cash payments	[3]	(2)		(2)
Ending Balance	[3]	$ 2		4
Long Lived Asset Impairments and Inventory Write Downs [Member]
Restructuring Cost And Reserve [Line Items]
Charges	[3]			9
Utilization/cash payments	[3]			$ (9)

[1] The $(5) million represents severance charges funded from pension plan assets, which were reclassified to Pension and other postretirement liabilities.

[2] The $(12) million includes $(13) million of severance charges funded from pension plan assets, which were reclassified to Pension and other postretirement liabilities, and $1 million of foreign currency translation adjustments.

[3] 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.