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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2019
Earnings Per Share [Abstract] |
Reconciliation of Numerators and Denominators of Earnings Per Share Calculations [Table Text Block] | Reconciliation of the numerators and denominators of the earnings per share calculations —
|  | Three Months Ended March 31,
|  | 2019 |  | 2018
Net income attributable to the parent company |  | $ | 98 |  |  | $ | 108 |
Less: Redeemable noncontrolling interests adjustment to redemption value |  | — |  |  | — |
Net income available to common stockholders - Numerator basic and diluted |  | $ | 98 |  |  | $ | 108 |
Denominator: |  |  |  |
Weighted-average common shares outstanding - Basic |  | 143.9 |  |  | 145.6 |
Employee compensation-related shares, including stock options |  | 0.9 |  |  | 1.9 |
Weighted-average common shares outstanding - Diluted |  | 144.8 |  |  | 147.5 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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