Composition of Certain Financial Statement Items Share-Based Compensation (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Sep. 29, 2019 |
Sep. 30, 2018 |
Sep. 24, 2017 |
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| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation expense before income taxes | $ 1,037 | $ 883 | $ 914 |
| Related income tax benefit | (184) | (140) | (161) |
| Share-based compensation expense, net of income taxes | 853 | 743 | 753 |
| Cost of Sales [Member] | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation expense before income taxes | 35 | 38 | 38 |
| Research and Development Expense [Member] | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation expense before income taxes | 725 | 594 | 588 |
| Selling, General and Administrative Expenses [Member] | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation expense before income taxes | $ 277 | $ 251 | $ 288 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax, of expense for award under share-based payment arrangement. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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