Note 13 - Fair Value Measurements and Derivatives - Location and Amount of Gain or (Loss) Recognized in Income on Undesignated Derivatives (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Cost of Sales [Member]
Gain (loss) recognized in income on foreign currency derivatives not designated as hedging instruments		$ (5)
Other Income (Expense) [Member]
Gain (loss) recognized in income on foreign currency derivatives not designated as hedging instruments	$ (16)	$ 3	$ (14)	$ (6)