Note 7 - Derivative Instruments, Effect of Derivative Contracts on Condensed Consolidated Financial Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ 7	$ (15)	$ 31	$ (29)
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	14	(10)	26	(17)
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)	9	(5)
Not Designated as Hedging Instrument [Member] | Interest Income And Other Income (Expense), Net [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	(11)	0	(8)	(7)
Not Designated as Hedging Instrument [Member] | Interest Income And Other Income (Expense), Net [Member] | Embedded Derivative Financial Instruments [Member]
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ 0	$ 0	$ 4	$ 0