Net Income (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Reconciliation of earnings attributable to common stockholders, basic and diluted

The following table reconciles the Company's net income from continuing operations attributable to common stockholders to basic and diluted net income from continuing operations attributable to common stockholders for the three months ended March 31, 2014 and 2013:

	Three Months Ended March 31,
	2014			2013
	(in millions)
Net income from continuing operations attributable to common stockholders	$	149		$	85
Participating basic earnings	(1		)	(1		)
Basic and diluted income from continuing operations attributable to common stockholders	$	148		$	84

Reconciliation Of Basic To Diluted Weighted Average Common Shares Outstanding

The following table is a reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding for the three months ended March 31, 2014 and 2013:

	Three Months Ended March 31,
	2014	2013
	(in millions)
Weighted average common shares outstanding:
Basic	143	129
Convertible Senior Notes dilution	—	4
Diluted (a)	143	133

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(a) Options to purchase 98,819 shares of the Company's common stock were excluded from the diluted income per share calculations for the three months ended March 31, 2013 because they would have been anti-dilutive to the calculation.