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Earnings Per Share (EPS) (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Computation of Basic and Diluted EPS | The following table presents the computation of our basic and diluted EPS attributable to our common stock:
| Three Months Ended March 31,
(in millions, except per share data) | 2018 | 2017
Net income | $ | 54 |  | $ | 29 |
Weighted average shares of common stock outstanding | 70 |  | 69 |
Basic EPS | $ | 0.77 |  | $ | 0.42 |
Net income | $ | 54 |  | $ | 29 |
Weighted average shares of common stock | 70 |  | 69 |
Dilutive effect of stock options and restricted stock units | 2 |  | 2 |
Weighted average shares of common stock outstanding | 72 |  | 71 |
Diluted EPS | $ | 0.75 |  | $ | 0.41 |
Common stock equivalents excluded from income per diluted share because of their anti-dilutive effect | 1 |  | 1 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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