Note 13 - Restructuring Liabilities (Details) (Parenthetical) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Restructuring And Related Activities [Abstract]
Other adjustments and reclasses	$ (1)	[1]

[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.