Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income					$ 600		$ 205
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	21	[1]	(6)	[1]	16	[1]	82	[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	5	[1]	(2)	[1]	6	[1]	83	[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	739	[1]	(46)	[1]	600	[1]	205	[1]
Undesignated [Member]
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	$ 765	[1]	$ (54)	[1]	$ 622	[1]	$ 370	[1]

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