Debt - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 24, 2022	Sep. 25, 2021	Sep. 26, 2020
Debt Instrument [Line Items]
Commercial paper	$ 9,982	$ 6,000
Proceeds from repurchase agreements			$ 5,200
Repayments of repurchase agreements			(5,200)
Interest expense on term debt	2,800	2,600	$ 2,800
Commercial paper
Debt Instrument [Line Items]
Commercial paper	$ 10,000	$ 6,000
Commercial paper, general maturity period (less than)	9 months
Commercial paper, weighted-average interest rate	2.31%	0.06%
Level 2
Debt Instrument [Line Items]
Floating- and fixed-rate notes, aggregate fair value	$ 98,800	$ 125,300

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Total interest costs incurred during the period and either capitalized or charged against earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount of cash inflow from short-term debt classified as other.

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Amount of cash outflow for the payment of debt classified as other, maturing within one year or the operating cycle, if longer.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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