Borrowings - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 02, 2022	Sep. 30, 2021	Jan. 03, 2021
Debt Disclosure [Abstract]
Borrowing capacity under credit facility		$ 10,000
Short-term borrowings and the current portion of long-term debt	$ 3,800		$ 2,600
Borrowed under the commercial paper program	2,100		1,800
Current portion of long term debt	2,131		1,799
Short-term Debt [Line Items]
Loans and notes payable	$ 3,766		$ 2,631
Commercial Paper
Debt Disclosure [Abstract]
Debt, weighted average interest rate	0.11%
Debt instrument, term	3 months
Short-term Debt [Line Items]
Loans and notes payable	$ 1,600
Debt, weighted average interest rate	0.11%
Debt instrument, term	3 months

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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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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Weighted average interest rate of debt outstanding.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Carrying value as of the balance sheet date of the current portion of long-term unsecured obligations issued by corporations and other borrowers to investors (with maturities initially due after one year or beyond the operating cycle if longer).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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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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