Composition of Certain Financial Statement Items Investment and Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 28, 2025	Dec. 29, 2024
Investment Income, Net [Abstract]
Interest and dividend income	$ 136	$ 169
Net (losses) gains on marketable securities	(55)	19
Net gains on other investments	210	30
Net gains on deferred compensation plan assets	43	15
Impairment losses on other investments	(12)	(24)
Other	28	34
Investment and other income, net	$ 350	$ 243

Impairment losses on other investments without readily determinable fair value

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- Definition

Net (losses) gains on deferred compensation plan assets

+ References

No definition available.

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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
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
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Amount of realized gain (loss) on investment in marketable security.

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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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