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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Text Block] | The following table sets forth the computation of basic and diluted earnings per share on net income (in millions, except per share information):
|  |  |  | Three months ended March 31,
|  |  |  |  |  | 2023 |  | 2022
Earnings: |  |  |  |  |  |  |  |
Net income |  |  |  |  |  | $ | 253 |  |  | $ | 197 |
Less: Net income attributable to noncontrolling interest |  |  |  |  |  | 1 |  |  | — |
Net income available to RGA, Inc. shareholders |  |  |  |  |  | $ | 252 |  |  | $ | 197 |
Shares: |  |  |  |  |  |  |  |
Weighted average outstanding shares |  |  |  |  |  | 67 |  |  | 67 |
Equivalent shares from outstanding stock awards |  |  |  |  |  | 1 |  |  | 1 |
Denominator for diluted calculation |  |  |  |  |  | 68 |  |  | 68 |
Earnings per share: |  |  |  |  |  |  |  |
Basic |  |  |  |  |  | $ | 3.77 |  |  | $ | 2.93 |
Diluted |  |  |  |  |  | $ | 3.72 |  |  | $ | 2.91 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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