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Earnings Per Share (Tables) | 3 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares [Table Text Block] | Common shares outstanding used in the basic and diluted EPS computation:
|  | Three Months Ended Sept. 30 |  | Nine Months Ended Sept. 30
(Shares in Millions) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Basic |  | 539 |  |  | 526 |  | 539 |  | 526
Diluted (a) |  | 539 |  | 528 |  |  | 539 |  |  | 527 |
(a)Diluted common shares outstanding included common stock equivalents of 0.3 million an d 1.6 million for the three months ended Sept. 30, 2021 and 2020, respectively. Diluted common shares outstanding included common stock equivalents of 0.3 million and 1.0 million for the nine months ended Sept. 30, 2021 and 2020, respectively.

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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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