Note 14 - Hedging Activities (Details) - Summary of Notional Amounts and Respective Fair Values of Derivative Financial Instruments (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Derivatives designated as hedging instruments
Notional amount	$ 15,717	$ 8,613
Asset derivatives, fair value	881	462
Liability derivatives, fair value	(55)	(37)
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivatives designated as hedging instruments
Notional amount	150	433
Asset derivatives, fair value	8	8
Liability derivatives, fair value		(3)
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivatives designated as hedging instruments
Notional amount	550	550
Liability derivatives, fair value	(18)	(28)
Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments
Asset derivatives, fair value	1
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivatives designated as hedging instruments
Notional amount	1,118	804
Asset derivatives, fair value	17	20
Liability derivatives, fair value	(11)	(3)
Not Designated as Hedging Instrument [Member] | Translated Earnings Contracts [Member]
Derivatives designated as hedging instruments
Notional amount	13,899	6,826
Asset derivatives, fair value	378	344
Liability derivatives, fair value	(18)	(3)
Not Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments
Asset derivatives, fair value	477	90
Liability derivatives, fair value	$ (8)