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		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Cost of Sales [Member]
Gain (loss) recognized in income on foreign currency derivatives not designated as hedging instruments	$ 1	$ 0	$ 1	$ 0
Other Income (Expense) [Member]
Gain (loss) recognized in income on foreign currency derivatives not designated as hedging instruments	$ 2	$ (2)	$ (14)	$ (8)