Consolidated Statement of Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net revenues	$ 14,072	$ 11,652	$ 9,156
Cost of net revenues	4,216	3,461	2,564
Gross profit	9,856	8,191	6,592
Operating expenses:
Sales and marketing	2,913	2,435	1,947
Product development	1,573	1,235	908
General and administrative	1,567	1,364	1,101
Provision for transaction and loan losses	580	517	392
Amortization of acquired intangible assets	335	267	190
Total operating expenses	6,968	5,818	4,538
Income from operations	2,888	2,373	2,054
Interest and other, net	196	1,537	44
Income before income taxes	3,084	3,910	2,098
Provision for income taxes	(475)	(681)	(297)
Net income	$ 2,609	$ 3,229	$ 1,801
Net income per share:
Basic	$ 2.02	$ 2.50	$ 1.38
Diluted	$ 1.99	$ 2.46	$ 1.36
Weighted average shares:
Basic	1,292	1,293	1,306
Diluted	1,313	1,313	1,327