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, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Defined Benefit Plan Disclosure [Line Items]
Total net pension income			$ (59)	$ (72)
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3	$ 3	6	6
Interest cost	28	28	57	58
Expected return on plan assets	(61)	(66)	(122)	(131)
Prior service credit	(1)	(1)	(3)	(3)
Actuarial loss		2		2
Net pension income before special termination benefits	(31)	(34)	(62)	(68)
Special termination benefits	5	2	6	3
Net pension income	(26)	(32)	(56)	(65)
Total net pension income	(26)	(32)	(56)	(65)
Non-US [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1		2	1
Interest cost	3	4	6	7
Expected return on plan assets	(6)	(7)	(13)	(14)
Actuarial loss			1
Net pension income before special termination benefits	(2)	(3)	(4)	(6)
Net pension income	(2)	(3)	(4)	(6)
Other plans	1		1	(1)
Total net pension income	$ (1)	$ (3)	$ (3)	$ (7)