Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Numerators and Denominators of Basic and Diluted EPS Computations for Common Stock

The numerators and denominators of the basic and diluted EPS computations for our common stock were calculated as follows (in millions, except per share amounts):

	Three Months Ended March 31,
	2014				2013
	Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	498	$	144	$	156	$	63
Less: Net income attributable to participating securities	2		1		1		1
Net income attributable to common stockholders	$	496	$	143	$	155	$	62
Denominator
Weighted average shares outstanding	1,982		574		1,709		691
Less: Shares subject to repurchase	5		6		4		10
Number of shares used for basic EPS computation	1,977		568		1,705		681
Basic EPS	$	0.25	$	0.25	$	0.09	$	0.09
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	496	$	143	$	155	$	62
Reallocation of net income attributable to participating securities	3		—		2		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	143		—		62		—
Reallocation of net income to Class B common stock	—		7		—		7
Net income attributable to common stockholders for diluted EPS	$	642	$	150	$	219	$	69
Denominator
Number of shares used for basic EPS computation	1,977		568		1,705		681
Conversion of Class B to Class A common stock	568		—		681		—
Weighted average effect of dilutive securities:
Employee stock options	15		15		80		80
RSUs	41		20		29		29
Shares subject to repurchase	8		5		4		4
Number of shares used for diluted EPS computation	2,609		608		2,499		794
Diluted EPS	$	0.25	$	0.25	$	0.09	$	0.09