CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (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
Revenue	$ 1,184	$ 895	$ 2,242	$ 1,626
Costs and expenses:
Cost of revenue	367	210	644	377
Marketing and sales	392	96	535	158
Research and development	705	99	858	156
General and administrative	463	83	567	140
Total costs and expenses	1,927	488	2,604	831
(Loss) income from operations	(743)	407	(362)	795
Interest and other income (expense), net:
Interest expense	(10)	(9)	(24)	(17)
Other income (expense), net	(12)	1	3	19
(Loss) income before benefit from (provision for) income taxes	(765)	399	(383)	797
Benefit from (provision for) income taxes	608	(159)	431	(326)
Net (loss) income	(157)	240	48	471
Less: Net income attributable to participating securities	0	81	21	160
Net (loss) income attributable to Class A and Class B common stockholders	(157)	159	27	311
(Loss) earnings per share attributable to Class A and Class B common stockholders:
Basic	$ (0.08)	$ 0.12	$ 0.02	$ 0.25
Diluted	$ (0.08)	$ 0.11	$ 0.02	$ 0.22
Weighted average shares used to compute (loss) earnings per share attributable to Class A and Class B common stockholders:
Basic	1,879	1,292	1,613	1,267
Diluted	1,879	1,510	1,792	1,499
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	1,106	64	1,209	71
Cost of revenue
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	66	3	71	3
Marketing and sales
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	232	11	251	11
Research and development
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	545	35	605	39
General and administrative
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	$ 263	$ 15	$ 282	$ 18