Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2016

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 are calculated as follows (in millions, except per share amounts):

	Year Ended December 31,
	2016				2015				2014
	Class A		Class B		Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	8,270	$	1,947	$	2,959	$	729	$	2,308	$	632
Less: Net income attributable to participating securities	24		5		15		4		12		3
Net income attributable to common stockholders	$	8,246	$	1,942	$	2,944	$	725	$	2,296	$	629
Denominator
Weighted average shares outstanding	2,323		548		2,259		559		2,059		568
Less: Shares subject to repurchase	6		2		10		5		6		7
Number of shares used for basic EPS computation	2,317		546		2,249		554		2,053		561
Basic EPS	$	3.56	$	3.56	$	1.31	$	1.31	$	1.12	$	1.12
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	8,246	$	1,942	$	2,944	$	725	$	2,296	$	629
Reallocation of net income attributable to participating securities	29		—		19		—		15		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	1,942		—		725		—		629		—
Reallocation of net income to Class B common stock	—		14		—		15		—		23
Net income attributable to common stockholders for diluted EPS	$	10,217	$	1,956	$	3,688	$	740	$	2,940	$	652
Denominator
Number of shares used for basic EPS computation	2,317		546		2,249		554		2,053		561
Conversion of Class B to Class A common stock	546		—		554		—		561		—
Weighted average effect of dilutive securities:
Employee stock options	6		6		8		8		13		13
RSUs	49		5		37		9		30		13
Shares subject to repurchase	5		1		5		2		7		4
Earn-out shares	2		2		—		—		—		—
Number of shares used for diluted EPS computation	2,925		560		2,853		573		2,664		591
Diluted EPS	$	3.49	$	3.49	$	1.29	$	1.29	$	1.10	$	1.10