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Earnings Per Common Share ("EPS") Earnings Per Common Share ("EPS") (Tables) | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Quarter ended |  | Year to date
|  | 2022 |  | 2021 |  | 2022 |  | 2021
Net Income |  | $ | 331 |  |  | $ | 528 |  |  | $ | 954 |  |  | $ | 1,245 |
Weighted-average common shares outstanding (for basic calculation) |  | 285 |  |  | 296 |  |  | 287 |  |  | 298 |
Effect of dilutive share-based employee compensation |  | 4 |  |  | 6 |  |  | 4 |  |  | 6 |
Weighted-average common and dilutive potential common shares outstanding (for diluted calculation) |  | 289 |  |  | 302 |  |  | 291 |  |  | 304 |
Basic EPS |  | $ | 1.16 |  |  | $ | 1.78 |  |  | $ | 3.33 |  |  | $ | 4.17 |
Diluted EPS |  | $ | 1.14 |  |  | $ | 1.75 |  |  | $ | 3.28 |  |  | $ | 4.10 |
Unexercised employee stock options and stock appreciation rights (in millions) excluded from the diluted EPS computation(a) |  | 2.0 |  |  | 0.1 |  |  | 1.9 |  |  | 1.5 |
(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 -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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