Net Income (loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Schedule of basic and diluted net income per share

The following table sets forth the computation of basic and diluted net income (loss) per share for the periods indicated:

	Year Ended December 31,
	2015			2014			2013
	(In millions, except per share amounts)
Numerator:
Income (loss) from continuing operations	$	1,947		$	(865	)	$	2,067
Income (loss) from discontinued operations, net of income taxes	(222		)	911			789
Net income	$	1,725		$	46		$	2,856
Denominator:
Weighted average shares of common stock - basic	1,208			1,251			1,295
Dilutive effect of equity incentive awards	12			—			18
Weighted average shares of common stock - diluted	1,220			1,251			1,313
Income (loss) per share - basic:
Continuing operations	$	1.61		$	(0.69	)	$	1.60
Discontinued operations	(0.18		)	0.73			0.60
Net income per share - basic	$	1.43		$	0.04		$	2.20
Income (loss) per share - diluted:
Continuing operations	$	1.60		$	(0.69	)	$	1.58
Discontinued operations	(0.18		)	0.73			0.60
Net income per share - diluted	$	1.42		$	0.04		$	2.18
Common stock equivalents excluded from income per diluted share because their effect would have been anti-dilutive	2			54			4