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Net Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Schedule Of Earnings Per Share Basic And Diluted | The following table sets forth the computation of basic and diluted net income per share (in millions except per share amounts):
| Year ended December 31,
| 2019 |  | 2018 |  | 2017
NUMERATOR: |  |  |  |  |
Net income | $ | 2,300 |  |  | $ | 2,465 |  |  | $ | 3,357 |
DENOMINATOR: |  |  |  |  |  |  |
Weighted-average shares outstanding, basic | 538 |  |  | 573 |  |  | 601 |
Dilutive effect of restricted stock units | 1 |  |  | 1 |  |  | 2 |
Adjusted weighted-average shares outstanding, diluted | 539 |  |  | 574 |  |  | 603 |
NET INCOME PER SHARE: |  |  |  |  |  |  |
Basic | $ | 4.28 |  |  | $ | 4.30 |  |  | $ | 5.58 |
Diluted | $ | 4.27 |  |  | $ | 4.29 |  |  | $ | 5.57 |

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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://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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