CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenues:
Revenues	$ 50,175		$ 37,905		$ 29,321
Costs and expenses:
Research and development	6,793	[1]	5,162	[1]	3,762	[1]
Sales and marketing	6,143	[1]	4,589	[1]	2,799	[1]
General and administrative	3,845	[1]	2,724	[1]	1,962	[1]
Charge related to the resolution of Department of Justice investigation	0		500		0
Total costs and expenses	37,415		26,163		18,940
Income from operations	12,760		11,742		10,381
Interest and other income, net	626		584		415
Income from continuing operations before income taxes	13,386		12,326		10,796
Provision for income taxes	2,598		2,589		2,291
Net income from continuing operations	10,788		9,737		8,505
Net loss from discontinued operations	(51)		0		0
Net income	10,737		9,737		8,505
Net income (loss) per share of Class A and Class B common stock-basic:
Continuing operations	$ 32.97		$ 30.17		$ 26.69
Discontinued operations	$ (0.16)		$ 0.00		$ 0.00
Net income per share of Class A and Class B common stock-basic	$ 32.81		$ 30.17		$ 26.69
Net income (loss) per share of Class A and Class B common stock-diluted:
Continuing operations	$ 32.46		$ 29.76		$ 26.31
Discontinued operations	$ (0.15)		$ 0.00		$ 0.00
Net income per share of Class A and Class B common stock-diluted	$ 32.31		$ 29.76		$ 26.31
Google | Advertising and other
Revenues:
Revenues	46,039		37,905		29,321
Costs and expenses:
Cost of revenues	17,176	[1]	13,188	[1]	10,417	[1]
Motorola Mobile | Hardware and other
Revenues:
Revenues	4,136		0		0
Costs and expenses:
Cost of revenues	$ 3,458	[1]	$ 0	[1]	$ 0	[1]

[1] Includes stock-based compensation expense as follows: Cost of revenues-Google (advertising and other) $ 67 $ 249 $ 359 Cost of revenues-Motorola Mobile (hardware and other) 0 0 14 Research and development 861 1,061 1,325 Sales and marketing 261 361 498 General and administrative 187 303 453 $ 1,376 $ 1,974 $ 2,649