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Earnings per Share Attributable to Ameriprise Financial, Inc. Common Shareholders | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Earnings per share attributable to Ameriprise Financial, Inc. common shareholders [Text Block] | Earnings per Share The computations of basic and diluted earnings per share is as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
2019 |  | 2018 |  | 2019 |  | 2018
(in millions, except per share amounts)
Numerator: |  |  |  |  |  |  |
Net income | $ | 492 |  |  | $ | 462 |  |  | $ | 887 |  |  | $ | 1,056 |
Denominator: |  |  |  |  |  |  |
Basic: Weighted-average common shares outstanding | 136.1 |  |  | 147.0 |  |  | 137.4 |  |  | 148.2 |
Effect of potentially dilutive nonqualified stock options and other share-based awards | 1.9 |  |  | 2.0 |  |  | 1.7 |  |  | 2.3 |
Diluted: Weighted-average common shares outstanding | 138.0 |  |  | 149.0 |  |  | 139.1 |  |  | 150.5 |
Earnings per share: |  |  |  |  |  |  |
Basic | $ | 3.61 |  |  | $ | 3.14 |  |  | $ | 6.46 |  |  | $ | 7.13 |
Diluted | $ | 3.57 |  |  | $ | 3.10 |  |  | $ | 6.38 |  |  | $ | 7.02 |
The calculation of diluted earnings per share excludes the incremental effect of 1.0 million and 1.1 million options as of June 30, 2019 and 2018, respectively, due to their anti-dilutive effect.

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- References No definition available. + Details
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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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