Note 14 - Pension Income (Expense) From Continuing and Discontinued Operations For All Defined Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Total net pension income	$ (32)	$ (37)
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	3	3
Interest cost	29	30
Expected return on plan assets	(61)	(65)
Prior service credit	(2)	(2)
Net pension income before special termination benefits	(31)	(34)
Special termination benefits	1	1
Net pension income	(30)	(33)
Total net pension income	(30)	(33)
Non-US [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	1
Interest cost	3	3
Expected return on plan assets	(7)	(7)
Actuarial loss	1
Net pension income before special termination benefits	(2)	(3)
Net pension income	(2)	(3)
Other plans including unfunded plans		(1)
Total net pension income	$ (2)	$ (4)