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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| Quarter Ended June 30, |  | Six Months Ended June 30,
(dollars in millions, except per share amounts; shares in millions) | 2019 |  | 2018 |  | 2019 |  | 2018
Net income attributable to common shareowners | $ | 1,900 |  |  | $ | 2,048 |  |  | $ | 3,246 |  |  | $ | 3,345 |
Basic weighted average number of shares outstanding | 854.4 |  |  | 790.5 |  |  | 853.8 |  |  | 790.2 |
Stock awards and equity units (share equivalent) | 9.3 |  |  | 9.1 |  |  | 8.5 |  |  | 9.8 |
Diluted weighted average number of shares outstanding | 863.7 |  |  | 799.6 |  |  | 862.3 |  |  | 800.0 |
Earnings Per Share of Common Stock: |  |  |  |  |  |  |
Basic | $ | 2.22 |  |  | $ | 2.59 |  |  | $ | 3.80 |  |  | $ | 4.23 |
Diluted | $ | 2.20 |  |  | $ | 2.56 |  |  | $ | 3.76 |  |  | $ | 4.18 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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