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Earnings Per Common Share ("EPS") | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Earnings Per Common Share (EPS) | Earnings Per Common Share (“EPS”)
|  | Quarter ended |  | Year to date
|  | 2020 |  | 2019 |  | 2020 |  | 2019
Net Income |  | $ | 283 |  |  | $ | 255 |  |  | $ | 572 |  |  | $ | 806 |
Weighted-average common shares outstanding (for basic calculation) |  | 303 |  |  | 306 |  |  | 302 |  |  | 307 |
Effect of dilutive share-based employee compensation |  | 4 |  |  | 7 |  |  | 5 |  |  | 7 |
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation) |  | 307 |  |  | 313 |  |  | 307 |  |  | 314 |
Basic EPS |  | $ | 0.94 |  |  | $ | 0.83 |  |  | $ | 1.89 |  |  | $ | 2.63 |
Diluted EPS |  | $ | 0.92 |  |  | $ | 0.81 |  |  | $ | 1.86 |  |  | $ | 2.57 |
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a) |  | 4.7 |  |  | 0.1 |  |  | 4.6 |  |  | 1.9 |
(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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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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