Borrowing Facilities and Debt - Debt Outstanding (Details) - USD ($) $ in Millions	Jan. 25, 2026	Oct. 26, 2025
Debt Instrument [Line Items]
Total long-term debt	$ 6,453	$ 6,455
Senior Notes
Debt Instrument [Line Items]
Long-term debt principal amount	6,500	6,500
Total unamortized discount	(12)	(12)
Total unamortized debt issuance costs	(31)	(33)
Fair value of interest rate swaps	$ (4)	0
3.300% Senior Notes Due 2027 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.30%
Long-term debt principal amount	$ 1,200	1,200
Effective Interest Rate	3.342%
4.800% Senior Notes Due 2029 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.80%
Long-term debt principal amount	$ 700	700
Effective Interest Rate	4.844%
1.750% Senior Notes Due 2030 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	1.75%
Long-term debt principal amount	$ 750	750
Effective Interest Rate	1.792%
4.000% Senior Notes Due 2031 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.00%
Long-term debt principal amount	$ 550	550
Effective Interest Rate	4.07%
5.100% Senior Notes Due 2035 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	5.10%
Long-term debt principal amount	$ 500	500
Effective Interest Rate	5.127%
4.600% Senior Notes Due 2036 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.60%
Long-term debt principal amount	$ 450	450
Effective Interest Rate	4.632%
5.850% Senior Notes Due 2041 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	5.85%
Long-term debt principal amount	$ 600	600
Effective Interest Rate	5.879%
4.350% Senior Notes Due 2047 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.35%
Long-term debt principal amount	$ 1,000	1,000
Effective Interest Rate	4.361%
2.750% Senior Notes Due 2050 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	2.75%
Long-term debt principal amount	$ 750	$ 750
Effective Interest Rate	2.773%