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Net Income (Loss)Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Computation of Net Income (Loss) Per Share | The following table sets forth the computation of Net Income (Loss) Per Share for the three-month and six-month periods ended June 30, 2021 and 2020 (in millions, except per share data):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Numerator for Basic and Diluted Earnings Per Share - |  |  |  |  |  |  |
Net Income (Loss) | $ | 907 |  |  | $ | (910) |  |  | $ | 1,584 |  |  | $ | (900) |
Denominator for Basic Earnings Per Share - |  |  |  |  |  |  |
Weighted Average Shares | 580 |  |  | 579 |  |  | 580 |  |  | 579 |
Potential Dilutive Common Shares - |  |  |  |  |  |  |
Stock Options/SARs/ESPP | 1 |  |  | — |  |  | 1 |  |  | — |
Restricted Stock/Units and Performance Units | 3 |  |  | — |  |  | 2 |  |  | — |
Denominator for Diluted Earnings Per Share - |  |  |  |  |  |  |
Adjusted Diluted Weighted Average Shares | 584 |  |  | 579 |  |  | 583 |  |  | 579 |
Net Income (Loss) Per Share |  |  |  |  |  |  |
Basic | $ | 1.56 |  |  | $ | (1.57) |  |  | $ | 2.73 |  |  | $ | (1.55) |
Diluted | $ | 1.55 |  |  | $ | (1.57) |  |  | $ | 2.72 |  |  | $ | (1.55) |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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