Note 13 - Hedging Activities - Effect on Consolidated Financial Statements (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Interest Rate Hedges [Member] | Cash Flow Hedging [Member] | Sales [Member]
Gain/(loss) recognized in other comprehensive income (OCI)			$ 6		$ (7)
Gain reclassified from accumulated OCI into income (effective)	[1]		5	1	10
Interest Rate Hedges [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Gain reclassified from accumulated OCI into income (effective)	[1]	(9)	4	(14)	6
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Gain/(loss) recognized in other comprehensive income (OCI)		(35)	7	(63)	34
Gain reclassified from accumulated OCI into income (effective)	[1]
Cash Flow Hedging [Member]
Gain/(loss) recognized in other comprehensive income (OCI)		(35)	13	(63)	27
Gain reclassified from accumulated OCI into income (effective)	[1]	(9)	9	(13)	16
Gain/(loss) recognized in other comprehensive income (OCI)

[1] The amount of hedge ineffectiveness at June 30, 2016 and 2015 was insignificant.