Net Income Per Share of Class A and Class B Common Stock (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The following table sets forth the computation of basic and diluted net income per share of Class A and Class B common stock (in millions, except share amounts which are reflected in thousands and per share amounts):

	Three Months Ended
	March 31,
	2012					2013
	(unaudited)
	Class A		Class B			Class A		Class B
Basic net income per share:
Numerator
Allocation of undistributed earnings - continuing operations	$	2,296	$	594		$	2,703	$	621
Allocation of undistributed earnings - discontinued operations	0		0			18		4
Total	$	2,296	$	594		$	2,721	$	625
Denominator
Weighted-average common shares outstanding	258,426		66,873			268,767		61,687
Number of shares used in per share computation	258,426		66,873			268,767		61,687
Basic net income per share:
Continuing operations	$	8.88	$	8.88		$	10.06	$	10.06
Discontinued operations	0.00		0.00			0.07		0.07
Basic net income per share	$	8.88	$	8.88		$	10.13	$	10.13
Diluted net income per share:
Numerator
Allocation of undistributed earnings for basic computation - continuing operations	$	2,296	$	594		$	2,703	$	621
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares	594		0			621		0
Reallocation of undistributed earnings to Class B shares	0		(9		)	0		(12		)
Allocation of undistributed earnings - continuing operations	$	2,890	$	585		$	3,324	$	609
Allocation of undistributed earnings for basic computation - discontinued operations	$	0	$	0		$	18	$	4
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares	0		0			4		0
Allocation of undistributed earnings - discontinued operations	$	0	$	0		$	22	$	4
Denominator
Number of shares used in basic computation	258,426		66,873			268,767		61,687
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A common shares outstanding	66,873		0			61,687		0
Employee stock options, including warrants issued under Transferable Stock Option program	2,957		43			3,129		12
Restricted stock units	1,880		0			3,080		0

Number of shares used in per share computation	330,136		66,916		336,663		61,699
Diluted net income per share:
Continuing operations	$	8.75	$	8.75	$	9.87	$	9.87
Discontinued operations	0.00		0.00		0.07		0.07
Diluted net income per share	$	8.75	$	8.75	$	9.94	$	9.94