Debt - Schedule of Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 25, 2026	Jan. 26, 2025
Debt Instrument [Line Items]
Unamortized debt discount and issuance costs	$ (32)	$ (37)
Net carrying amount	8,468	8,463
Less short-term portion	(999)	0
Long-term debt	$ 7,469	8,463
3.20% Notes Due 2026
Debt Instrument [Line Items]
Interest rate (as percent)	3.20%
Expected Remaining Term (years)	7 months 6 days
Effective Interest Rate (as percent)	3.31%
Gross carrying amount	$ 1,000	1,000
1.55% Notes Due 2028
Debt Instrument [Line Items]
Interest rate (as percent)	1.55%
Expected Remaining Term (years)	2 years 4 months 24 days
Effective Interest Rate (as percent)	1.64%
Gross carrying amount	$ 1,250	1,250
2.85% Notes Due 2030
Debt Instrument [Line Items]
Interest rate (as percent)	2.85%
Expected Remaining Term (years)	4 years 2 months 12 days
Effective Interest Rate (as percent)	2.93%
Gross carrying amount	$ 1,500	1,500
2.00% Notes Due 2031
Debt Instrument [Line Items]
Interest rate (as percent)	2.00%
Expected Remaining Term (years)	5 years 4 months 24 days
Effective Interest Rate (as percent)	2.09%
Gross carrying amount	$ 1,250	1,250
3.50% Notes Due 2040
Debt Instrument [Line Items]
Interest rate (as percent)	3.50%
Expected Remaining Term (years)	14 years 2 months 12 days
Effective Interest Rate (as percent)	3.54%
Gross carrying amount	$ 1,000	1,000
3.50% Notes Due 2050
Debt Instrument [Line Items]
Interest rate (as percent)	3.50%
Expected Remaining Term (years)	24 years 2 months 12 days
Effective Interest Rate (as percent)	3.54%
Gross carrying amount	$ 2,000	2,000
3.70% Notes Due 2060
Debt Instrument [Line Items]
Interest rate (as percent)	3.70%
Expected Remaining Term (years)	34 years 2 months 12 days
Effective Interest Rate (as percent)	3.73%
Gross carrying amount	$ 500	$ 500