Borrowings - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Jul. 29, 2023	Jul. 30, 2022
Debt Instrument [Line Items]
Total	$ 8,500	$ 9,000
Unaccreted discount/issuance costs	(68)	(75)
Hedge accounting fair value adjustments	(41)	(10)
Total	8,391	8,915
Short-term debt	1,733	499
Long-term debt	$ 6,658	8,416
Fixed-Rate Notes, 2.60%, Due February 28, 2023
Debt Instrument [Line Items]
Interest rate, stated percentage	2.60%
Senior notes	$ 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%
Senior notes	$ 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%
Senior notes	$ 1,000	$ 1,000
Effective Rate	6.08%	2.69%
Fixed-Rate Notes,3.50%, Due June 15, 2025
Debt Instrument [Line Items]
Interest rate, stated percentage	3.50%
Senior notes	$ 500	$ 500
Effective Rate	6.38%	3.20%
Fixed-Rate Notes,2.95%, Due February 28, 2026
Debt Instrument [Line Items]
Interest rate, stated percentage	2.95%
Senior notes	$ 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%
Senior notes	$ 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%
Senior notes	$ 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%
Senior notes	$ 2,000	$ 2,000
Effective Rate	5.67%	5.67%