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Earnings Per Common Share ("EPS") | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Earnings Per Common Share (EPS) | Earnings Per Common Share (“EPS”)
|  | 2020 |  | 2019 |  | 2018
Net Income |  | $ | 904 |  |  | $ | 1,294 |  |  | $ | 1,542 |
Weighted-average common shares outstanding (for basic calculation) |  | 302 |  |  | 306 |  |  | 322 |
Effect of dilutive share-based employee compensation |  | 5 |  |  | 7 |  |  | 7 |
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation) |  | 307 |  |  | 313 |  |  | 329 |
Basic EPS |  | $ | 2.99 |  |  | $ | 4.23 |  |  | $ | 4.80 |
Diluted EPS |  | $ | 2.94 |  |  | $ | 4.14 |  |  | $ | 4.69 |
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a) |  | 4.8 |  |  | 2.0 |  |  | 2.0 |
(a)These unexercised employee stock options and stock appreciation rights were not included in the computation of diluted EPS because to do so would have been antidilutive for the periods presented.

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