Cash, Cash Equivalents and Investments - Summary of Contractual Maturity (Details) - USD ($) $ in Millions	Jan. 30, 2022	Oct. 31, 2021
Contractual maturities of investments
Due in one year or less, Cost	$ 400
Due after one through five years, Cost	902
No single maturity date, Cost	1,101
Total short-term and long-term investments cost	2,403	$ 2,411
Due in one year or less, Estimated Fair Value	401
Due after one through five years, Estimated Fair Value	892
No single maturity date, Estimated Fair Value	1,206
Estimated fair value of short-term and long-term investments	$ 2,499