Note 13 - Other Charges, Net (Details) (Parentheticals) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Nonoperating Income Expense [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax			$ (16)
Venezuelan Subsidiary Foreign Currency Exchange Controls [Member]
Other Nonoperating Income Expense [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ 0	$ (2)	$ (16)