EARNINGS PER SHARE

6 Months Ended

Jun. 30, 2019

Earnings Per Share, Basic and Diluted [Abstract]

EARNINGS (LOSS) PER SHARE

EARNINGS PER SHARE

The computation of basic and diluted earnings per common share was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Amounts attributable to Quest Diagnostics’ common stockholders:
Income from continuing operations	$	206	$	219	$	370	$	396
Income from discontinued operations, net of taxes	20		—		20		—
Net income attributable to Quest Diagnostics’ common stockholders	$	226	$	219	$	390	$	396
Income from continuing operations	$	206	$	219	$	370	$	396
Less: Earnings allocated to participating securities	—		—		1		1
Earnings available to Quest Diagnostics’ common stockholders – basic and diluted	$	206	$	219	$	369	$	395
Weighted average common shares outstanding – basic	135		136		134		136
Effect of dilutive securities:
Stock options and performance share units	1		3		2		3
Weighted average common shares outstanding – diluted	136		139		136		139
Earnings per share attributable to Quest Diagnostics’ common stockholders - basic:
Income from continuing operations	$	1.52	$	1.60	$	2.74	$	2.90
Income from discontinued operations	0.15		—		0.15		—
Net income	$	1.67	$	1.60	$	2.89	$	2.90
Earnings per share attributable to Quest Diagnostics’ common stockholders – diluted:
Income from continuing operations	$	1.51	$	1.57	$	2.71	$	2.84
Income from discontinued operations	0.15		—		0.15		—
Net income	$	1.66	$	1.57	$	2.86	$	2.84

The following securities were not included in the calculation of diluted earnings per share due to their antidilutive effect:

	Three Months Ended June 30,		Six Months Ended June 30,
	2019	2018	2019	2018
Stock options	5	2	5	2