Note 15 - Hedging Activities - Effect on Consolidated Financial Statements (Details) - Cash Flow Hedging [Member] - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Gain reclassified from accumulated OCI into income (effective)	[1]	$ (34)	$ 26	$ 10
Gain/(loss) recognized in other comprehensive income (OCI)		(33)	(24)	17
Interest Rate Hedges [Member] | Sales [Member]
Gain reclassified from accumulated OCI into income (effective)	[1]	4	20	3
Interest Rate Hedges [Member] | Cost of Sales [Member]
Gain reclassified from accumulated OCI into income (effective)	[1]	(36)	6	7
Gain/(loss) recognized in other comprehensive income (OCI)			(7)	(3)
Foreign Exchange Contract [Member] | Other Income [Member]
Gain reclassified from accumulated OCI into income (effective)	[1]	(2)
Gain/(loss) recognized in other comprehensive income (OCI)		$ (33)	$ (17)	$ 20

[1] There were no material amounts of ineffectiveness for 2016 and 2015.