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Weighted Average Shares Outstanding (Tables) | 3 Months Ended
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Mar. 31, 2020
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares [Table Text Block] |
| Three Months Ended March 31,
(in millions) | 2020 |  | 2019
Weighted average shares outstanding - basic | 1,397.4 |  |  | 1,387.7 |
Net effect of common stock equivalents | 16.1 |  |  | 20.7 |
Weighted average shares outstanding - assuming dilution | 1,413.5 |  |  | 1,408.4 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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