Composition of Certain Financial Statement Items Investment and Other Income (Expense), Net (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Mar. 24, 2024 |
Mar. 26, 2023 |
Mar. 24, 2024 |
Mar. 26, 2023 |
|
| Investment Income, Net [Abstract] | ||||
| Interest and dividend income | $ 160 | $ 59 | $ 312 | $ 114 |
| Net (losses) gains on marketable securities | (3) | 9 | 8 | 20 |
| Net gains on other investments | 155 | 0 | 159 | 0 |
| Net gains on deferred compensation plan assets | 62 | 21 | 126 | 47 |
| Impairment losses on other investments | (50) | (87) | (62) | (101) |
| Other | 6 | (18) | (1) | (20) |
| Investment and other income (expense), net | $ 330 | $ (16) | $ 542 | $ 60 |