CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue	$ 1,262	$ 954	$ 3,504	$ 2,580
Costs and expenses:
Cost of revenue	322	236	967	613
Research and development	244	108	1,102	264
Marketing and sales	168	114	703	272
General and administrative	151	82	717	222
Total costs and expenses	885	540	3,489	1,371
Income from operations	377	414	15	1,209
Interest and other income (expense), net:
Interest expense	(11)	(10)	(35)	(26)
Other income (expense), net	6	(25)	9	(7)
Income (loss) before provision for income taxes	372	379	(11)	1,176
Provision for income taxes	431	152	0	478
Net (loss) income	(59)	227	(11)	698
Less: Net income attributable to participating securities	0	77	0	235
Net (loss) income attributable to Class A and Class B common stockholders	(59)	150	(11)	463
(Loss) earnings per share attributable to Class A and Class B common stockholders:
Basic	$ (0.02)	$ 0.11	$ (0.01)	$ 0.36
Diluted	$ (0.02)	$ 0.10	$ (0.01)	$ 0.32
Weighted average shares used to compute (loss) earnings per share attributable to Class A and Class B common stockholders:
Basic	2,420	1,316	1,884	1,283
Diluted	2,420	1,520	1,884	1,507
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	179	70	1,388	141
Cost of revenue
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	8	3	79	6
Research and development
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	114	33	719	72
Marketing and sales
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	28	13	279	24
General and administrative
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	$ 29	$ 21	$ 311	$ 39