Note 9 - Retirement Plans and Other Postretirement Benefits (Details) - Pension (Income) Expense From Continuing Operations For All Defined Benefit Plans (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Major defined benefit plans:
Interest cost	$ 1	$ 1
Amortization of:
Total net pension (income) expense	1	1
UNITED STATES
Major defined benefit plans:
Service cost	4	4
Interest cost	37	47
Expected return on plan assets	(68)	(77)
Amortization of:
Prior service cost	(2)
Net pension income before special termination benefits	(29)	(26)
Special termination benefits	4
Net pension income	(25)	(26)
Total net pension (income) expense	(25)	(26)
Non-U.S. [Member]
Major defined benefit plans:
Service cost	1	2
Interest cost	4	8
Expected return on plan assets	(8)	(10)
Amortization of:
Net pension income before special termination benefits	(3)
Net pension income	(3)
Other plans including unfunded plans	2	2
Total net pension (income) expense	$ (1)	$ 2