Note 16 - Pension Income From Continuing Operations For All Defined Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Special termination benefits	$ 3	$ 9	$ 8
UNITED STATES
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Service cost	12	17	18
Interest cost	113	148	176
Expected return on plan assets	(262)	(272)	(295)
Prior service credit	(7)	(8)	(3)
Actuarial loss	7
Pension income before special termination benefits and settlements	(137)	(115)	(104)
Special termination benefits	3	9	8
Settlement losses			(10)
Net pension income for major defined benefit plans	(134)	(106)	(86)
Net pension income	(134)	(106)	(86)
Non-US [Member]
Pension Income Expense From Continuing Operations For All Defined Benefit Plans [Line Items]
Service cost	3	3	4
Interest cost	14	17	30
Expected return on plan assets	(28)	(30)	(38)
Actuarial loss		2
Pension income before special termination benefits and settlements	(11)	(8)	(4)
Net pension income for major defined benefit plans	(11)	(8)	(4)
Other plans including unfunded plans	(2)	4	8
Net pension income	$ (13)	$ (4)	$ 4