Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	$ (141)		$ 227		$ (139)		$ 251
Other Income [Member] | Foreign Exchange Contracts, Balance Sheet [Member]
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	7	[1]	40	[1]	(5)	[1]	88	[1]
Other Income [Member] | Foreign Exchange Contracts, Loans [Member]
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	(3)	[1]	27	[1]	1	[1]	85	[1]
Other Income [Member] | Translated Earnings Contracts [Member]
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	(141)	[1]	227	[1]	(139)	[1]	251	[1]
Undesignated [Member]
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	$ (137)	[1]	$ 294	[1]	$ (143)	[1]	$ 424	[1]

[1] Certain amounts for prior periods were reclassified to conform to the current year presentation.