Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	$ 2		$ 24
Undesignated [Member]
Note 14 - Hedging Activities (Details) - Effect on Consolidated financial statements [Line Items]
Gain (loss) recognized in income	(6)	[1]	129	[1]
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	(12)	[1]	47	[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	4	[1]	58	[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	$ 2	[1]	$ 24	[1]

[1] Certain amounts for prior periods were reclassified to conform to the current presentation. The gain (loss) on foreign exchange contracts is now disclosed in two categories, Foreign exchange contracts - balance sheet, and Foreign exchange contracts - loans.