Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
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)	5	[1]
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)	2	[1]
Cash Flow Hedging [Member]
Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements [Line Items]
Gain/(loss) recognized in other comprehensive income (oci)	14		(7)
Gain reclassified from accumulated OCI into income (effective)	7	[1]
Foreign Exchange Contract [Member]
Note 13 - Hedging Activities (Details) - Effect on Consolidated Financial Statements [Line Items]
Gain/(loss) recognized in other comprehensive income (oci)	$ 27		$ (7)

[1] The amount of hedge ineffectiveness at March 31, 2015 and 2014 was insignificant.