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Earnings Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Earnings Per Common Share | The following table sets forth the computation of basic and diluted earnings per common share. Table 10.1: Computation of Basic and Diluted Earnings per Common Share
|  |  |  | Three Months Ended March 31, |  |  |  |
(Dollars and shares in millions, except per share data) |  |  |  |  |  | 2023 |  | 2022 |  |  |  |
Net income |  |  |  |  |  | $ | 960 |  |  | $ | 2,403 |  |  |  |  |
Dividends and undistributed earnings allocated to participating securities |  |  |  |  |  | (16) |  |  | (28) |  |  |  |  |
Preferred stock dividends |  |  |  |  |  | (57) |  |  | (57) |  |  |  |  |
Net income available to common stockholders |  |  |  |  |  | $ | 887 |  |  | $ | 2,318 |  |  |  |  |
Total weighted-average basic common shares outstanding |  |  |  |  |  | 382.6 |  |  | 410.4 |  |  |  |  |
Effect of dilutive securities:(1) |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  |  |  |  | 0.1 |  |  | 0.5 |  |  |  |  |
Other contingently issuable shares |  |  |  |  |  | 1.1 |  |  | 1.3 |  |  |  |  |
Total effect of dilutive securities |  |  |  |  |  | 1.2 |  |  | 1.8 |  |  |  |  |
Total weighted-average diluted common shares outstanding |  |  |  |  |  | 383.8 |  |  | 412.2 |  |  |  |  |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Net income per basic common share |  |  |  |  |  | $ | 2.32 |  |  | $ | 5.65 |  |  |  |  |
Diluted earnings per common share:(1) |  |  |  |  |  |  |  |  |  |  |  |
Net income per diluted common share |  |  |  |  |  | $ | 2.31 |  |  | $ | 5.62 |  |  |  |  |
__________ (1)Excluded from the computation of diluted earnings per share were awards of 40 thousand shares and no awards for the three months ended March 31, 2023 and 2022, respectively, because their inclusion would be anti-dilutive. There were no anti-dilutive stock options for the three months ended March 31, 2023 or 2022.

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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