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Composition of Certain Financial Statement Items Investment and Other Income (Expense), Net (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 25, 2023 | Jun. 26, 2022 | Jun. 25, 2023 | Jun. 26, 2022
Investment Income, Net [Abstract] |  |  |  |
Interest and dividend income | $ 79 | $ 22 | $ 193 | $ 59
Net losses on marketable securities | (23) | (104) | (3) | (327)
Net gains on other investments | 17 | 25 | 17 | 97
Net gains (losses) on deferred compensation plan assets | 48 | (80) | 95 | (110)
Impairment losses on other investments | (19) | (20) | (120) | (41)
Other | 4 | (6) | (16) | 1
Investment and other income (expense), net | $ 106 | $ (163) | $ 166 | $ (321)

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- Definition Net (losses) gains on deferred compensation plan assets + References No definition available. + Details
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- Definition Amount of gain (loss) included in earnings for investments classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 8A -URI https://asc.fasb.org/extlink&oid=124260329&loc=SL6284422-111562 + Details
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- Definition Amount of realized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI). + References No definition available. + Details
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