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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Mar. 28, 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 the three- and six-month periods ended March 28, 2020 and March 30, 2019 (net income in millions and shares in thousands):
| Three Months Ended |  | Six Months Ended
| March 28, 2020 |  | March 30, 2019 |  | March 28, 2020 |  | March 30, 2019
Numerator: |  |  |  |  |  |  |
Net income | $ | 11,249 |  |  | $ | 11,561 |  |  | $ | 33,485 |  |  | $ | 31,526 |
Denominator: |  |  |  |  |  |  |
Weighted-average basic shares outstanding | 4,360,101 |  |  | 4,674,071 |  |  | 4,387,570 |  |  | 4,704,945 |
Effect of dilutive securities | 44,590 |  |  | 26,575 |  |  | 42,078 |  |  | 32,004 |
Weighted-average diluted shares | 4,404,691 |  |  | 4,700,646 |  |  | 4,429,648 |  |  | 4,736,949 |
Basic earnings per share | $ | 2.58 |  |  | $ | 2.47 |  |  | $ | 7.63 |  |  | $ | 6.70 |
Diluted earnings per share | $ | 2.55 |  |  | $ | 2.46 |  |  | $ | 7.56 |  |  | $ | 6.66 |

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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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