Note 9 - Retirement Plans and Other Postretirement Benefits (Details) - Pension (Income) Expense From Continuing Operations For All Defined Benefit Plans - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Major defined benefit plans:
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	1	1	2	3
Amortization of:
Total net pension (income) expense	1	1	2	3
UNITED STATES
Major defined benefit plans:
Service cost	4	4	12	13
Interest cost	37	42	111	136
Expected return on plan assets	(68)	(72)	(204)	(226)
Amortization of:
Prior service credit	(1)	(1)	(5)	(1)
Actuarial gain	0	0	0	0
Net pension income before special termination benefits	(28)	(27)	(86)	(78)
Special termination benefits	1	3	6	3
Net pension income	(27)	(24)	(80)	(75)
Other plans including unfunded plans	0	0	0	0
Total net pension (income) expense	(27)	(24)	(80)	(75)
Non-U.S. [Member]
Major defined benefit plans:
Service cost	1	1	3	4
Interest cost	4	7	13	23
Expected return on plan assets	(7)	(9)	(23)	(29)
Amortization of:
Prior service credit	0	0	0	0
Actuarial gain	(1)	0	(2)	0
Net pension income before special termination benefits	(3)	(1)	(9)	(2)
Special termination benefits	0	0	0	0
Net pension income	(3)	(1)	(9)	(2)
Other plans including unfunded plans	2	3	6	6
Total net pension (income) expense	$ (1)	$ 2	$ (3)	$ 4