Borrowings - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Apr. 29, 2023	Jul. 30, 2022
Debt Instrument [Line Items]
Total	$ 8,500	$ 9,000
Unaccreted discount/issuance costs	(70)	(75)
Hedge accounting fair value adjustments	(36)	(10)
Total	8,394	8,915
Current portion of long-term debt	1,731	499
Long-term debt	$ 6,663	8,416
Fixed-Rate Notes, 2.60%, Due February 28, 2023
Debt Instrument [Line Items]
Interest rate, stated percentage	2.60%
Amount	$ 0	$ 500
Effective Rate	0.00%	2.68%
Fixed-Rate Notes, 2.20%, Due September 20, 2023
Debt Instrument [Line Items]
Interest rate, stated percentage	2.20%
Amount	$ 750	$ 750
Effective Rate	2.27%	2.27%
Fixed-Rate Notes, 3.625%, Due March 4, 2024
Debt Instrument [Line Items]
Interest rate, stated percentage	3.625%
Amount	$ 1,000	$ 1,000
Effective Rate	5.75%	2.69%
Fixed-Rate Notes, 3.50%, Due June 15, 2025
Debt Instrument [Line Items]
Interest rate, stated percentage	3.50%
Amount	$ 500	$ 500
Effective Rate	6.15%	3.20%
Fixed-Rate Notes, 2.95%, Due February 28, 2026
Debt Instrument [Line Items]
Interest rate, stated percentage	2.95%
Amount	$ 750	$ 750
Effective Rate	3.01%	3.01%
Fixed-Rate Notes, 2.50%, Due September 20, 2026
Debt Instrument [Line Items]
Interest rate, stated percentage	2.50%
Amount	$ 1,500	$ 1,500
Effective Rate	2.55%	2.55%
Fixed-Rate Notes, 5.90%, Due February 15, 2039
Debt Instrument [Line Items]
Interest rate, stated percentage	5.90%
Amount	$ 2,000	$ 2,000
Effective Rate	6.11%	6.11%
Fixed-Rate Notes, 5.50%, Due January 15, 2040
Debt Instrument [Line Items]
Interest rate, stated percentage	5.50%
Amount	$ 2,000	$ 2,000
Effective Rate	5.67%	5.67%

Hedge accounting adjustment of the carrying amount of the 2011 and 2016 Notes

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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