Note 14 - Pension Income (Expense) From Continuing and Discontinued Operations For All Defined Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Total net pension income			$ (81)	$ (91)
United States [Member]
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Service cost	$ 4	$ 3	10	9
Interest cost	27	29	82	86
Expected return on plan assets	(55)	(61)	(167)	(183)
Prior service credit	(2)	(2)	(6)	(5)
Actuarial loss	1		4
Net pension income before special termination benefits	(25)	(31)	(77)	(93)
Special termination benefits	3	3	4	9
Net pension income	(22)	(28)	(73)	(84)
Total net pension income	(22)	(28)	(73)	(84)
Non-US [Member]
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Service cost	1		3	2
Interest cost	3	3	9	9
Expected return on plan assets	(7)	(7)	(20)	(20)
Actuarial loss	1	1	3	2
Net pension income before special termination benefits	(2)	(3)	(5)	(7)
Net pension income	(2)	(3)	(5)	(7)
Other plans	(3)	(1)	(3)
Total net pension income	$ (5)	$ (4)	$ (8)	$ (7)