CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue	$ 3,203	$ 2,016	$ 8,615	$ 5,286
Costs and expenses:
Cost of revenue	565	507	1,501	1,384
Research and development	608	369	1,555	1,006
Marketing and sales	374	233	1,055	704
General and administrative	259	171	643	520
Total costs and expenses	1,806	1,280	4,754	3,614
Income from operations	1,397	736	3,861	1,672
Interest and other income/(expense), net	(61)	(10)	(65)	(48)
Income before provision for income taxes	1,336	726	3,796	1,624
Provision for income taxes	530	301	1,557	647
Net income	806	425	2,239	977
Less: Net income attributable to participating securities	4	3	10	6
Net income attributable to Class A and Class B common stockholders	802	422	2,229	971
Earnings per share attributable to Class A and Class B common stockholders:
Basic (in dollars per share)	$ 0.31	$ 0.17	$ 0.87	$ 0.40
Diluted (in dollars per share)	$ 0.30	$ 0.17	$ 0.86	$ 0.39
Weighted average shares used to compute earnings per share attributable to Class A and Class B common stockholders:
Basic (in shares)	2,587	2,430	2,565	2,408
Diluted (in shares)	2,644	2,528	2,616	2,504
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	353	239	941	633
Cost of revenue
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	16	12	44	31
Research and development
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	243	164	643	432
Marketing and sales
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	53	34	146	91
General and administrative
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	$ 41	$ 29	$ 108	$ 79