Earnings Per Share (Narrative) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
May 17, 2018 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 01, 2018 |
May 09, 2018 |
Dec. 31, 2017 |
|
| Earnings Per Share [Abstract] | ||||||||
| Common stock, shares outstanding (in shares) | 99,500,000 | 0 | ||||||
| Share repurchase, authorized amount (up to) | $ 300,000,000 | |||||||
| Share repurchase, remaining availability | $ 285,000,000 | $ 285,000,000 | ||||||
| Cash dividends declared per share (in usd per share) | $ 0.25 | $ 0.25 | $ 0 | $ 0.25 | $ 0 | |||
| X | ||||||||||
- 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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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
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| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
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