Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2019

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): 

	Three Months Ended June 30,										Six Months Ended June 30,
	2019					2018					2019					2018
	Class A		Class B			Class A		Class B			Class A		Class B			Class A		Class B
Basic EPS:
Numerator
Net income	$	2,204	$	412		$	4,246	$	860		$	4,241	$	804		$	8,368	$	1,725
Less: Net income attributable to participating securities	—		—			—		—			—		—			1		—
Net income attributable to common stockholders	$	2,204	$	412		$	4,246	$	860		$	4,241	$	804		$	8,367	$	1,725
Denominator
Weighted average shares outstanding	2,405		450			2,407		488			2,400		455			2,405		495
Basic EPS	$	0.92	$	0.92		$	1.76	$	1.76		$	1.77	$	1.77		$	3.48	$	3.48
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	2,204	$	412		$	4,246	$	860		$	4,241	$	804		$	8,367	$	1,725
Reallocation of net income attributable to participating securities	—		—			—		—			—		—			1		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	412		—			860		—			804		—			1,725		—
Reallocation of net income to Class B common stock	—		(2		)	—		(4		)	—		(3		)	—		(9		)
Net income attributable to common stockholders for diluted EPS	$	2,616	$	410		$	5,106	$	856		$	5,045	$	801		$	10,093	$	1,716
Denominator
Number of shares used for basic EPS computation	2,405		450			2,407		488			2,400		455			2,405		495
Conversion of Class B to Class A common stock	450		—			488		—			455		—			495		—
Weighted average effect of dilutive RSUs and employee stock options	20		—			35		3			18		1			39		5
Number of shares used for diluted EPS computation	2,875		450			2,930		491			2,873		456			2,939		500
Diluted EPS	$	0.91	$	0.91		$	1.74	$	1.74		$	1.76	$	1.76		$	3.43	$	3.43