Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2015

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The following table presents our aggregate stock-based compensation expense by type of costs and expenses per the Consolidated Statements of Income (in millions):



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2015		2014		2015
	(unaudited)
Cost of revenues	$	169	$	231	$	364	$	554
Research and development	666		741		1,569		1,939
Sales and marketing	197		250		502		651
General and administrative	223		210		539		623
Discontinued operations	35		0		118		0
Total stock-based compensation expense	$	1,290	$	1,432	$	3,092	$	3,767

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes the activities for our stock options for the nine months ended September 30, 2015:



	Options Outstanding
	Number of Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in millions)⁽¹⁾
	(unaudited)
Balance as of December 31, 2014	7,240,419		$	215.56
Granted	0		N/A
Exercised	(1,736,987	)	$	191.10
Forfeited/canceled	(266,388	)	$	311.31
Balance as of September 30, 2015	5,237,044		$	218.80	3.8	$	2,120
Exercisable as of September 30, 2015	4,768,764		$	209.30	3.6	$	1,976
Exercisable as of September 30, 2015 and expected to vest thereafter ⁽²⁾	5,181,225		$	217.75	3.8	$	2,103


⁽¹⁾	The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the closing stock price of $638.37 and $608.42 for our Class A common stock and Class C capital stock, respectively, on September 30, 2015.


⁽²⁾	Options expected to vest reflect an estimated forfeiture rate.

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following table summarizes the activities for our unvested restricted stock units (RSUs) for the nine months ended September 30, 2015:



	Unvested Restricted Stock Units
	Number of Shares		Weighted- Average Grant-Date Fair Value
	(unaudited)
Unvested as of December 31, 2014	24,619,549		$	487.80
Granted	13,116,639		$	530.39
Vested	(8,322,365	)	$	443.27
Forfeited/canceled	(1,757,674	)	$	487.20
Unvested as of September 30, 2015	27,656,149		$	520.97
Expected to vest after September 30, 2015 ⁽¹⁾	24,359,536		$	520.97


⁽¹⁾	RSUs expected to vest reflect an estimated forfeiture rate.