Note 17 - Restructuring Liabilities - Restructuring Reserve Activity (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Restructuring Cost And Reserve [Line Items]
Beginning Balance	$ 12
Charges	7
Utilization/cash payments	(7)
Other adjustments and reclasses	(2)	[1]
Ending Balance	10
Severance Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	11	[2]
Charges	6	[2]
Utilization/cash payments	(7)	[2]
Other adjustments and reclasses	(1)	[1],[2]
Ending Balance	9	[2]
Exit Costs Reserve [Member]
Restructuring Cost And Reserve [Line Items]
Beginning Balance	1	[2]
Charges	1	[2]
Other adjustments and reclasses	(1)	[1],[2]
Ending Balance	$ 1	[2]

[1] Includes $(1) million of severance charges funded from pension plan assets, which were reclassified to Pension and other postretirement liabilities and $(1) million of currency translation impacts.

[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.