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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Reconciliation of Basic Shares to Diluted Shares | The following table is a reconciliation of basic shares to diluted shares.
| Three months ended June 30, |  | Six months ended June 30,
(in millions) | 2021 | 2020 |  | 2021 | 2020
Basic shares | 503 |  | 509 |  |  | 504 |  | 508 |
Effect of dilutive securities | 6 |  | 8 |  |  | 6 |  | 9 |
Diluted shares | 509 |  | 517 |  |  | 510 |  | 517 |

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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=124432515&loc=d3e3550-109257 + Details
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