Note 12 - Hedging Activities - Summary of Effect of Designated Derivative Financial Instruments on Consolidated Financial Statements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Gain (loss) reclassified from accumulated OCI into income	$ 14	$ 1	$ 37	$ (11)
Gain (loss) recognized in other comprehensive income (OCI)	(5)	16	36	(51)
Foreign Exchange Contract [Member]
Gain (loss) recognized in other comprehensive income (OCI)	(5)	16	36	(51)
Sales [Member] | Foreign Exchange Contract [Member]
Gain (loss) reclassified from accumulated OCI into income	3	(2)	9	(4)
Cost of Sales [Member] | Foreign Exchange Contract [Member]
Gain (loss) reclassified from accumulated OCI into income	$ 11	$ 3	$ 28	7
Other Expense [Member] | Foreign Exchange Contract [Member]
Gain (loss) reclassified from accumulated OCI into income				$ (14)