Note 14 - Hedging Activities (Details) - Effect of Derivative Financial Instruments on Consolidated Financial Statements and Undesignated Derivatives (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Undesignated [Member]
Note 14 - Hedging Activities (Details) - Effect of Derivative Financial Instruments on Consolidated Financial Statements and Undesignated Derivatives [Line Items]
Gain/(loss) recognized in income	$ 279	$ (41)	$ 456	$ 97
Other Income [Member] | Foreign Exchange Contract [Member]
Note 14 - Hedging Activities (Details) - Effect of Derivative Financial Instruments on Consolidated Financial Statements and Undesignated Derivatives [Line Items]
Gain/(loss) recognized in income	52	(41)	205	97
Other Income [Member] | Collar Options [Member]
Note 14 - Hedging Activities (Details) - Effect of Derivative Financial Instruments on Consolidated Financial Statements and Undesignated Derivatives [Line Items]
Gain/(loss) recognized in income	$ 227		$ 251