Note 14 - Hedging Activities (Details) (Not Designated as Hedging Instrument [Member], USD $) In Billions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Gross Notional Value [Member] | Translated Earnings Contracts [Member]
Note 14 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	$ 13.9	$ 6.8
Gross Notional Value [Member] | Collar Options [Member]
Note 14 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	4.4	5.9
Gross Notional Value [Member] | Foreign Exchange Forward [Member]
Note 14 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	9.5	0.9
Net Notional Value [Member] | Collar Options [Member]
Note 14 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	$ 2.3	$ 3.0