Earnings Per Share (Narrative) (Details) |
9 Months Ended | ||||
|---|---|---|---|---|---|
|
Jun. 01, 2018
shares
|
May 31, 2018 |
Sep. 30, 2018
USD ($)
|
May 09, 2018
USD ($)
|
Dec. 31, 2017
shares
|
|
| Earnings Per Share [Abstract] | |||||
| Tax-free distribution, conversion ratio | 1 | 1 | 1 | ||
| Common stock, shares outstanding (in shares) | shares | 99,500,000 | 0 | |||
| Share repurchase, authorized amount (up to) | $ 300,000,000 | ||||
| Share repurchase, remaining availability | $ 241,000,000 |
| 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
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Tax-Free Distribution, Stockholders Right to Exchange, Conversion Ratio No definition available.
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