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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 26, 2020
Accounting Policies [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table shows the computation of basic and diluted earnings per share for 2020, 2019 and 2018 (net income in millions and shares in thousands):
| 2020 |  | 2019 |  | 2018
Numerator: |  |  |  |  |
Net income | $ | 57,411 |  |  | $ | 55,256 |  |  | $ | 59,531 |
Denominator: |  |  |  |  |
Weighted-average basic shares outstanding | 17,352,119 |  |  | 18,471,336 |  |  | 19,821,510 |
Effect of dilutive securities | 176,095 |  |  | 124,315 |  |  | 178,925 |
Weighted-average diluted shares | 17,528,214 |  |  | 18,595,651 |  |  | 20,000,435 |
Basic earnings per share | $ | 3.31 |  |  | $ | 2.99 |  |  | $ | 3.00 |
Diluted earnings per share | $ | 3.28 |  |  | $ | 2.97 |  |  | $ | 2.98 |

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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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