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Earnings Per Common Share | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Earnings Per Common Share | 2. EARNINGS PER COMMON SHARE
Computation of Basic and Diluted Earnings per Common Share
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In millions, except for per share data) | 2021 | 2020 |  | 2021 | 2020
Earnings |  |  |  |  |
Net income | $ | 482 |  | $ | 459 |  |  | $ | 1,636 |  | $ | 1,200 |
Less: Preferred stock dividends | 6 |  | 6 |  |  | 16 |  | 16 |
Net income available to common stockholders | $ | 476 |  | $ | 453 |  |  | $ | 1,620 |  | $ | 1,184 |
Shares |  |  |  |  |
Weighted average common shares outstanding, basic | 345.6 |  | 358.3 |  |  | 352.5 |  | 358.3 |
Dilutive effect of stock-based awards under compensation plans | 5.1 |  | 2.2 |  |  | 4.7 |  | 2.0 |
Weighted average common shares outstanding and dilutive potential common shares | 350.7 |  | 360.5 |  |  | 357.2 |  | 360.3 |
Net income available to common stockholders per common share |  |  |  |  |
Basic | $ | 1.38 |  | $ | 1.26 |  |  | $ | 4.60 |  | $ | 3.30 |
Diluted | $ | 1.36 |  | $ | 1.26 |  |  | $ | 4.54 |  | $ | 3.29 |

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