Note 14 - Pension Income (Expense) From Continuing and Discontinued Operations For All Defined Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Total net pension income			$ (54)	$ (59)
U.S. [Member]
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Service cost	$ 3	$ 3	6	6
Interest cost	27	28	55	57
Expected return on plan assets	(56)	(61)	(112)	(122)
Prior service credit	(2)	(1)	(4)	(3)
Actuarial loss	2		3
Net pension income before special termination benefits	(26)	(31)	(52)	(62)
Special termination benefits	1	5	1	6
Net pension income	(25)	(26)	(51)	(56)
Total net pension income	(25)	(26)	(51)	(56)
Non-US [Member]
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Service cost	1	1	2	2
Interest cost	3	3	6	6
Expected return on plan assets	(6)	(6)	(13)	(13)
Actuarial loss	1		2	1
Net pension income before special termination benefits	(1)	(2)	(3)	(4)
Net pension income	(1)	(2)	(3)	(4)
Other plans		1		1
Total net pension income	$ (1)	$ (1)	$ (3)	$ (3)