Note 16 - Restructuring Costs and Other - Restructuring Liabilities (Details) (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Restructuring And Related Activities [Abstract]
Other adjustments and reclasses	$ (12)	[1]	$ (2)	[2]	$ (12)	[3]
Severance Costs	(13)		$ (2)		(9)
Foreign Currency Transaction Gain (Loss), Realized	$ 1				$ (3)

[1] The $(12) million includes $(13) 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 $(2) million represents severance related charges for pension plan curtailments and special termination benefits, which were reclassified to Pension and other postretirement liabilities.

[3] 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.