Note 16 - Amounts Recognized in Consolidated Statement of Financial Position (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Amounts Recognized In Consolidated Statement Of Financial Position [Line Items]
Pension and other postretirement liabilities	$ (600)	$ (619)
UNITED STATES
Amounts Recognized In Consolidated Statement Of Financial Position [Line Items]
Pension and other postretirement liabilities	(255)	(306)
Net amount recognized	(255)	(306)
Non-US [Member]
Amounts Recognized In Consolidated Statement Of Financial Position [Line Items]
Other long-term assets	34	39
Pension and other postretirement liabilities	(157)	(111)
Net amount recognized	$ (123)	$ (72)