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Earnings Per Common Share ("EPS") Earnings Per Common Share ("EPS") (Tables) | 6 Months Ended
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Jun. 30, 2023
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Quarter ended |  | Year to date
|  | 2023 |  | 2022 |  | 2023 |  | 2022
Net Income |  | $ | 418 |  |  | $ | 224 |  |  | $ | 718 |  |  | $ | 623 |
Weighted-average common shares outstanding (for basic calculation) |  | 281 |  |  | 286 |  |  | 281 |  |  | 288 |
Effect of dilutive share-based employee compensation |  | 5 |  |  | 4 |  |  | 5 |  |  | 4 |
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation) |  | 286 |  |  | 290 |  |  | 286 |  |  | 292 |
Basic EPS |  | $ | 1.49 |  |  | $ | 0.78 |  |  | $ | 2.55 |  |  | $ | 2.16 |
Diluted EPS |  | $ | 1.46 |  |  | $ | 0.77 |  |  | $ | 2.51 |  |  | $ | 2.13 |
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a) |  | 1.7 |  |  | 2.4 |  |  | 1.6 |  |  | 1.8 |
(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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- References No definition available. + Details
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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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