Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements - Cash Flow Hedging [Member] - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements [Line Items]
Gain/(loss) recognized in other comprehensive income (OCI)		$ (24)	$ 14
Gain reclassified from accumulated OCI into income (effective)	[1]	(4)	7
Foreign Exchange Contract [Member]
Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements [Line Items]
Gain/(loss) recognized in other comprehensive income (OCI)		(24)	27
Sales [Member] | Interest Rate Hedges [Member]
Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements [Line Items]
Gain/(loss) recognized in other comprehensive income (OCI)			(13)
Gain reclassified from accumulated OCI into income (effective)	[1]	1	5
Cost of Sales [Member] | Interest Rate Hedges [Member]
Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements [Line Items]
Gain reclassified from accumulated OCI into income (effective)	[1]	$ (5)	$ 2

[1] The amount of hedge ineffectiveness at March 31, 2016 and 2015 was insignificant.