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Stockholders' Equity | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Stockholders' Equity | Stockholders’ Equity Share Repurchase Program The Company has a share repurchase program under which it may repurchase shares of its common stock in the open market or through privately negotiated other transactions, depending on share price, market conditions and other factors. The share repurchase program does not obligate the Company to repurchase any dollar amount or number of shares, and repurchases may be commenced or suspended from time to time without prior notice. During 2017, the Company repurchased 9 million shares of its common stock for $534 million under the previously announced $750 million share repurchase program. On August 3, 2017, the Company announced that its Board of Directors authorized a $750 million increase to the Company’s share repurchase program. As of December 31, 2017, the Company has $858 million remaining under this program. Treasury Stock On December 31, 2017, the Company acquired 109,207 shares of its common stock, which are held as treasury stock. The shares were acquired in satisfaction of withholding taxes on behalf of employees under the Performance Share Awards (“PSAs”) program. Refer to Note 13 (Equity-Based Compensation) for additional information on the PSAs.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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