Cash, Cash Equivalents and Investments - Summary of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions	Apr. 27, 2025	Oct. 27, 2024	Apr. 28, 2024
Summary of Cash, Cash Equivalents and Investments
Cash	$ 1,440	$ 1,313
Total cash equivalents	4,729	6,709
Total cash and cash equivalents	6,169	8,022	$ 7,085
Equity investments and equity securities without readily determinable, cost	1,665	798
Equity investments and equity securities without readily determinable, gross unrealized gains	238	243
Equity investments and equity securities without readily determinable, gross unrealized losses	47	27
Equity investments and equity securities without readily determinable, fair value	1,856	1,014
Total short-term and long-term investments cost	4,021	4,022
Gross unrealized gains on short-term and long-term investments	248	252
Gross unrealized losses on short-term and long-term investments	53	38
Total short-term and long-term investments	4,216	4,236
Cash, cash equivalents and investments, cost	10,190	12,044
Cash, cash equivalents and investments, gross unrealized gains	248	252
Cash, cash equivalents and investments, gross unrealized losses	53	38
Cash, cash equivalents and investments, estimated fair value	10,385	12,258
Restricted cash equivalents included in deferred income taxes and other assets	75		$ 90
Total fixed income securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	2,356	3,224
Gross unrealized gains on fixed income securities	10	9
Gross unrealized losses on fixed income securities	6	11
Estimated fair value of fixed income securities	2,360	3,222
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	9	13
Gross unrealized gains on fixed income securities	0	0
Gross unrealized losses on fixed income securities	0	0
Estimated fair value of fixed income securities	9	13
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	393	1,306
Gross unrealized gains on fixed income securities	2	0
Gross unrealized losses on fixed income securities	0	2
Estimated fair value of fixed income securities	395	1,304
Non-U.S. government securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	8	5
Gross unrealized gains on fixed income securities	0	0
Gross unrealized losses on fixed income securities	0	0
Estimated fair value of fixed income securities	8	5
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	449	441
Gross unrealized gains on fixed income securities	2	2
Gross unrealized losses on fixed income securities	2	2
Estimated fair value of fixed income securities	449	441
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	871	803
Gross unrealized gains on fixed income securities	4	4
Gross unrealized losses on fixed income securities	1	2
Estimated fair value of fixed income securities	874	805
Asset-backed and mortgage-backed securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	626	656
Gross unrealized gains on fixed income securities	2	3
Gross unrealized losses on fixed income securities	3	5
Estimated fair value of fixed income securities	625	654
Publicly traded equity securities
Summary of Cash, Cash Equivalents and Investments
Equity investments cost	1,365	543
Equity investments unrealized gains	175	185
Equity investments unrealized losses	20	5
Equity investments estimated fair value	1,520	723
Equity investments in privately held companies
Summary of Cash, Cash Equivalents and Investments
Equity securities without readily determinable, cost	300	255
Equity securities without readily determinable, fair value, gross unrealized gains	63	58
Equity securities without readily determinable, fair value, gross unrealized losses	27	22
Equity securities without readily determinable, fair value	336	291
Money market funds
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	2,534	3,421
Restricted cash equivalents included in deferred income taxes and other assets	75	91
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	100	90
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents		1,394
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	50	19
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	$ 2,045	$ 1,785