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EARNINGS PER COMMON SHARE (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Schedule of Weighted Average Shares Outstanding Used to Calculate Basic and Diluted Earnings Per Share | Weighted average shares outstanding used to calculate basic and diluted earnings per share are as follows:
December 31, | 2019 |  | 2018 |  | 2017 |
(number of shares in millions) |  |  |  |  |  |
Weighted average shares outstanding | 2,017 |  | 1,724 |  | 1,525 |
Effect of dilutive options | 3 |  | 3 |  | 7 |
Diluted weighted average shares outstanding | 2,020 |  | 1,727 |  | 1,532 |

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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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