Condensed Consolidated Statement of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net revenues	$ 3,398	$ 2,760	$ 6,675	$ 5,306
Cost of net revenues	987	773	1,970	1,502
Gross profit	2,411	1,987	4,705	3,804
Operating expenses:
Sales and marketing	717	608	1,394	1,141
Product development	394	297	768	572
General and administrative	390	392	762	685
Provision for transaction and loan losses	131	118	265	225
Amortization of acquired intangible assets	84	53	168	97
Total operating expenses	1,716	1,468	3,357	2,720
Income from operations	695	519	1,348	1,084
Interest and other, net	38	28	69	31
Gain (loss) on divested businesses	118	(256)	118	(256)
Income before income taxes	851	291	1,535	859
Provision for income taxes	(159)	(8)	(273)	(100)
Net income	$ 692	$ 283	$ 1,262	$ 759
Net income per share:
Basic	$ 0.54	$ 0.22	$ 0.98	$ 0.59
Diluted	$ 0.53	$ 0.22	$ 0.96	$ 0.58
Weighted average shares:
Basic	1,291	1,297	1,290	1,297
Diluted	1,309	1,315	1,309	1,317