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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Dec. 28, 2019
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 months ended December 28, 2019 and December 29, 2018 (net income in millions and shares in thousands):
| Three Months Ended
| December 28, 2019 |  | December 29, 2018
Numerator: |  |  |
Net income | $ | 22,236 |  |  | $ | 19,965 |
Denominator: |  |  |
Weighted-average basic shares outstanding | 4,415,040 |  |  | 4,735,820 |
Effect of dilutive securities | 39,564 |  |  | 37,432 |
Weighted-average diluted shares | 4,454,604 |  |  | 4,773,252 |
Basic earnings per share | $ | 5.04 |  |  | $ | 4.22 |
Diluted earnings per share | $ | 4.99 |  |  | $ | 4.18 |

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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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