Note 7 - Derivative Instruments, Effect of Derivative Contracts on Condensed Consolidated Financial Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ 0	$ 24
Designated as Hedging Instrument [Member] | Net Revenue [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	0	12
Designated as Hedging Instrument [Member] | Operating Expense [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	(4)	5
Not Designated as Hedging Instrument [Member] | Interest and Other, Net [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	4	3
Not Designated as Hedging Instrument [Member] | Interest and Other, Net [Member] | Embedded Derivative Financial Instruments [Member]
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ 0	$ 4