Note 16 - Amounts Recognized in Accumulated Other Comprehensive Loss For All Major Funded and Unfunded Defined Benefit Plans (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
UNITED STATES
Amounts Recognized In Accumulated Other Comprehensive Loss For All Major Funded And Unfunded Defined Benefit Plans [Line Items]
Prior service credit	$ 39	$ 50
Net actuarial loss	(356)	(285)
Total	(317)	(235)
Non-US [Member]
Amounts Recognized In Accumulated Other Comprehensive Loss For All Major Funded And Unfunded Defined Benefit Plans [Line Items]
Prior service credit	4	4
Net actuarial loss	(76)	(6)
Total	$ (72)	$ (2)