Cash, Cash Equivalents and Investments - Summary of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions	Oct. 30, 2022	Oct. 31, 2021	Oct. 25, 2020
Summary of Cash, Cash Equivalents and Investments
Cash	$ 1,199	$ 1,407
Total Cash equivalents	796	3,588
Total Cash and Cash equivalents	1,995	4,995	$ 5,351
Cost of fixed income securities	2,517
Estimated fair value of fixed income securities	2,696	5,526
Equity investments cost	652	583
Equity investments unrealized gain	149	121
Publicly traded equity securities, gross unrealized losses	30	17
Equity investments estimated fair value	771	687
Total short-term and long-term investments cost	2,517	2,411
Total short-term and long-term investments, gross unrealized gains	149	129
Total short-term and long-term investments, gross unrealized losses	100	21
Total short-term and long-term investments	2,566	2,519
Cash, cash equivalents and investments, cost	4,512	7,406
Cash, cash equivalents and investments, gross unrealized gains	149	129
Cash, cash equivalents and investments, gross unrealized losses	100	21
Cash, cash equivalents and investments, estimated fair value	4,561	7,514
Total fixed income securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	1,865	1,828
Gross unrealized gains on fixed income securities	0	8
Gross unrealized losses on fixed income securities	70	4
Estimated fair value of fixed income securities	1,795	1,832
Bank certificate of deposit
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	7
Gross unrealized gains on fixed income securities	0
Gross unrealized losses on fixed income securities	0
Estimated fair value of fixed income securities	7
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	435	314
Gross unrealized gains on fixed income securities	0	0
Gross unrealized losses on fixed income securities	13	0
Estimated fair value of fixed income securities	422	314
Non-U.S. government securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	7
Gross unrealized gains on fixed income securities	0
Gross unrealized losses on fixed income securities	1
Estimated fair value of fixed income securities	6
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	389	367
Gross unrealized gains on fixed income securities	0	3
Gross unrealized losses on fixed income securities	16	1
Estimated fair value of fixed income securities	373	369
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	595	587
Gross unrealized gains on fixed income securities	0	2
Gross unrealized losses on fixed income securities	21	2
Estimated fair value of fixed income securities	574	587
Asset-backed and mortgage-backed securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	432	555
Gross unrealized gains on fixed income securities	0	3
Gross unrealized losses on fixed income securities	19	1
Estimated fair value of fixed income securities	413	557
Publicly traded equity securities
Summary of Cash, Cash Equivalents and Investments
Equity investments cost	85	22
Equity investments unrealized gain	63	39
Publicly traded equity securities, gross unrealized losses	26	3
Equity investments estimated fair value	122	58
Equity investments in privately-held companies
Summary of Cash, Cash Equivalents and Investments
Equity investments cost	567	561
Equity investments unrealized gain	86	82
Publicly traded equity securities, gross unrealized losses	4	14
Equity investments estimated fair value	649	629
Canada | Non-U.S. government securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities		5
Gross unrealized gains on fixed income securities		0
Gross unrealized losses on fixed income securities		0
Estimated fair value of fixed income securities		5
Money market funds
Summary of Cash, Cash Equivalents and Investments
Total Cash equivalents	660	3,556
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Total Cash equivalents	4
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Total Cash equivalents	13	22
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Total Cash equivalents		$ 10
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Total Cash equivalents	$ 119