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Earnings Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Earnings (Loss) Per Common Share | Computation of Basic and Diluted Earnings per Common Share
| For the years ended December 31, |  |
(In millions, except for per share data) | 2021 | 2020 | 2019 |  |
Earnings |  |  |  |  |
Net income | $ | 2,365 |  | $ | 1,737 |  | $ | 2,085 |  |  |
Less: Preferred stock dividends | 21 |  | 21 |  | 21 |  |  |
Net income available to common stockholders | $ | 2,344 |  | $ | 1,716 |  | $ | 2,064 |  |  |
Shares |  |  |  |  |
Weighted average common shares outstanding, basic | 349.1 |  | 358.3 |  | 360.9 |  |  |
Dilutive effect of warrants [1] | — |  | — |  | 0.5 |  |  |
Dilutive effect of stock-based awards under compensation plans | 5.0 |  | 2.3 |  | 3.5 |  |  |
Weighted average common shares outstanding and dilutive potential common shares [2] | 354.1 |  | 360.6 |  | 364.9 |  |  |
Net income available to common stockholders per common share |  |  |  |  |
Basic | $ | 6.71 |  | $ | 4.79 |  | $ | 5.72 |  |  |
Diluted | $ | 6.62 |  | $ | 4.76 |  | $ | 5.66 |  |  |
[1]On June 26, 2019 the Capital Purchase Program warrants issued in 2009 expired. [2]For additional information, see Note 16 - Equity and Note 20 - Stock Compensation Plans of Notes to Consolidated Financial Statements.

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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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