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Earnings (Loss) Per Common Share Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Earnings (Loss) Per Common Share |
Computation of Basic and Diluted Earnings per Common Share
| Three Months Ended June 30, |  | Six Months Ended June 30,
(In millions, except for per share data) | 2021 | 2020 |  | 2021 | 2020
Earnings |  |  |  |  |
Net income | $ | 905 |  | $ | 468 |  |  | $ | 1,154 |  | $ | 741 |
Less: Preferred stock dividends | 5 |  | 5 |  |  | 10 |  | 10 |
Net income available to common stockholders | $ | 900 |  | $ | 463 |  |  | $ | 1,144 |  | $ | 731 |
Shares |  |  |  |  |
Weighted average common shares outstanding, basic | 353.7 |  | 358.1 |  |  | 356.0 |  | 358.3 |
Dilutive effect of stock-based awards under compensation plans | 4.8 |  | 1.2 |  |  | 4.4 |  | 1.9 |
Weighted average common shares outstanding and dilutive potential common shares | 358.5 |  | 359.3 |  |  | 360.4 |  | 360.2 |
Net income available to common stockholders per common share |  |  |  |  |
Basic | $ | 2.54 |  | $ | 1.29 |  |  | $ | 3.21 |  | $ | 2.04 |
Diluted | $ | 2.51 |  | $ | 1.29 |  |  | $ | 3.17 |  | $ | 2.03 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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