Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Statement of Stockholders' Equity [Abstract] | |||
Purchase and retirement of common stock, shares | 33,953,127 | ||
Purchase and retirement of common stock, shares | 33,900,000 | 119,823,621 | 85,141,691 |
Dividends declared on common stock per share (in dollars per share) | $ 0.40 | $ 0.40 | $ 0.40 |
Issuance of shares of common stock pursuant to employee stock plans | 2,166,861 | 2,506,067 | 12,289,537 |
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- Definition Stock Repurchased and Retired During Period, Including Shares Pursuant to Bankruptcy Distribution, Shares No definition available.
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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