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Earnings per Share Attributable to Ameriprise Financial, Inc. Common Shareholders (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings per Common Share | The computations of basic and diluted earnings per share is as follows:
| Years Ended December 31,
2019 |  | 2018 |  | 2017
(in millions, except per share amounts)
Numerator: |  |  |  |  |
Net income | $ | 1,893 |  |  | $ | 2,098 |  |  | $ | 1,480 |
Denominator: |  |  |  |  |
Basic: Weighted-average common shares outstanding | 134.1 |  |  | 145.6 |  |  | 154.1 |
Effect of potentially dilutive nonqualified stock options and other share-based awards | 1.9 |  |  | 2.1 |  |  | 2.6 |
Diluted: Weighted-average common shares outstanding | 136.0 |  |  | 147.7 |  |  | 156.7 |
Earnings per share attributable to Ameriprise Financial, Inc. common shareholders: |  |  |  |  |
Basic | $ | 14.12 |  |  | $ | 14.41 |  |  | $ | 9.60 |
Diluted | $ | 13.92 |  |  | $ | 14.20 |  |  | $ | 9.44 |

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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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