Composition of Certain Financial Statement Items Investment and Other (Expense) Income, Net (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Investment Income, Net [Abstract]
Interest and dividend income	$ 22	$ 21	$ 59	$ 63
Net (losses) gains on marketable securities	(104)	53	(327)	86
Net gains on other investments	25	97	97	307
Net (losses) gains on deferred compensation plan assets	(80)	38	(110)	115
Impairment losses on other investments	(20)	(7)	(41)	(24)
Net losses on derivative instruments	(7)	0	(25)	(7)
Equity in net (losses) earnings of investees	(12)	1	5	12
Net gains (losses) on foreign currency transactions	13	(3)	21	(29)
Investment and other (expense) income, net	$ (163)	$ 200	$ (321)	$ 523

Net (losses) gains on deferred compensation plan assets

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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

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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.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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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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The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations.

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

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