Note 5 - Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013	Jun. 30, 2012
Financial performance of operating segments
Total consolidated net revenue	$ 3,877		$ 3,398		$ 7,625	$ 6,675
Operating income (loss)	750		695		1,550	1,348
Marketplaces
Financial performance of operating segments
Net transaction revenues	1,637		1,491		3,245	2,916
Marketing services and other revenues	364		323		713	626
Revenue by reportable segment	2,001		1,814		3,958	3,542
Operating income (loss)	794		719		1,617	1,388
Payments
Financial performance of operating segments
Net transaction revenues	1,475		1,234		2,910	2,450
Marketing services and other revenues	149		123		262	216
Revenue by reportable segment	1,624		1,357		3,172	2,666
Operating income (loss)	374		350		748	695
Enterprise
Financial performance of operating segments
Net transaction revenues	194		164		380	346
Marketing services and other revenues	52		57		102	112
Revenue by reportable segment	246		221		482	458
Operating income (loss)	10		10		17	33
Corporate and other
Financial performance of operating segments
Marketing services and other revenues	14		10		26	16
Operating income (loss)	(428)		(384)		(832)	(768)
Intersegment Eliminations [Member]
Financial performance of operating segments
Revenue by reportable segment	$ 8	[1]	$ 4	[1]	$ 13	$ 7

[1] Represents revenue generated between our reportable segments.