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)

Net (losses) gains on deferred compensation plan assets

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Amount of gain (loss) included in earnings for investments classified as other.

+ References

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-Topic 230
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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

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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Amount of realized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of income (expense) related to nonoperating activities, classified as other.

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