Note 5 - Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012 segments		Jun. 30, 2011
Financial performance of operating segments
Number of reportable segments					3
Total consolidated net revenue	$ 3,398		$ 2,760		$ 6,675		$ 5,306
Income from operations	695		519		1,348		1,084
Marketplaces
Financial performance of operating segments
Net transaction revenues	1,491		1,350		2,916		2,634
Marketing services and other revenues	323		313		626		583
Revenue by reportable segment	1,814		1,663		3,542		3,217
Income from operations	719		645		1,388		1,274
Payments
Financial performance of operating segments
Net transaction revenues	1,234		991		2,450		1,934
Marketing services and other revenues	123		82		216		131
Revenue by reportable segment	1,357		1,073		2,666		2,065
Income from operations	350		235		695		456
GSI
Financial performance of operating segments
Net transaction revenues	164		16		346		16
Marketing services and other revenues	57		8		112		8
Revenue by reportable segment	221		24		458		24
Income from operations	10		0		33		0
Corporate and other
Financial performance of operating segments
Marketing services and other revenues	10		0		16		0
Income from operations	(384)		(361)		(768)		(646)
Intersegment Elimination
Financial performance of operating segments
Elimination of inter-segment revenue	$ (4)	[1]	$ 0	[1]	$ (7)	[1]	$ 0	[1]

[1] Represents revenue generated between our reportable segments.