CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue	$ 11,966	$ 8,032
Costs and expenses:
Cost of revenue	1,927	1,159
Research and development	2,238	1,834
Marketing and sales	1,595	1,057
General and administrative	757	655
Total costs and expenses	6,517	4,705
Income from operations	5,449	3,327
Interest and other income, net	161	81
Income before provision for income taxes	5,610	3,408
Provision for income taxes	622	344
Net income	4,988	3,064
Less: Net income attributable to participating securities	1	5
Net income attributable to Class A and Class B common stockholders	$ 4,987	$ 3,059
Earnings per share attributable to Class A and Class B common stockholders:
Basic (in dollars per share)	$ 1.72	$ 1.06
Diluted (in dollars per share)	$ 1.69	$ 1.04
Weighted average shares used to compute earnings per share attributable to Class A and Class B common stockholders:
Basic (in shares)	2,906	2,891
Diluted (in shares)	2,945	2,944
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	$ 955	$ 867
Cost of revenue
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	56	34
Research and development
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	718	670
Marketing and sales
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	109	96
General and administrative
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	$ 72	$ 67