Cash, Cash Equivalents and Investments - Summary of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions	Jan. 26, 2025	Oct. 27, 2024	Jan. 28, 2024
Summary of Cash, Cash Equivalents and Investments
Cash	$ 1,299	$ 1,313
Total cash equivalents	4,965	6,709
Total cash and cash equivalents	6,264	8,022	$ 6,854
Equity investments and equity securities without readily determinable, cost	800	798
Equity investments and equity securities without readily determinable, gross unrealized gains	141	243
Equity investments and equity securities without readily determinable, gross unrealized losses	30	27
Equity investments and equity securities without readily determinable, fair value	911	1,014
Total short-term and long-term investments cost	4,529	4,022
Gross unrealized gains on short-term and long-term investments	147	252
Gross unrealized losses on short-term and long-term investments	41	38
Total short-term and long-term investments	4,635	4,236
Cash, cash equivalents and investments, cost	10,793	12,044
Cash, cash equivalents and investments, gross unrealized gains	147	252
Cash, cash equivalents and investments, gross unrealized losses	41	38
Cash, cash equivalents and investments, estimated fair value	10,899	12,258
Restricted cash equivalents included in deferred income taxes and other assets	91		$ 100
Total fixed income securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	3,729	3,224
Gross unrealized gains on fixed income securities	6	9
Gross unrealized losses on fixed income securities	11	11
Estimated fair value of fixed income securities	3,724	3,222
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	12	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	12	13
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	1,816	1,306
Gross unrealized gains on fixed income securities	0	0
Gross unrealized losses on fixed income securities	3	2
Estimated fair value of fixed income securities	1,813	1,304
Non-U.S. government securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	6	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	6	5
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	441	441
Gross unrealized gains on fixed income securities	1	2
Gross unrealized losses on fixed income securities	2	2
Estimated fair value of fixed income securities	440	441
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	808	803
Gross unrealized gains on fixed income securities	3	4
Gross unrealized losses on fixed income securities	2	2
Estimated fair value of fixed income securities	809	805
Asset-backed and mortgage-backed securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	646	656
Gross unrealized gains on fixed income securities	2	3
Gross unrealized losses on fixed income securities	4	5
Estimated fair value of fixed income securities	644	654
Publicly traded equity securities
Summary of Cash, Cash Equivalents and Investments
Equity investments cost	540	543
Equity investments unrealized gains	77	185
Equity investments unrealized losses	4	5
Equity investments estimated fair value	613	723
Equity investments in privately held companies
Summary of Cash, Cash Equivalents and Investments
Equity securities without readily determinable, cost	260	255
Equity securities without readily determinable, fair value, gross unrealized gains	64	58
Equity securities without readily determinable, fair value, gross unrealized losses	26	22
Equity securities without readily determinable, fair value	298	291
Money market funds
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	2,454	3,421
Restricted cash equivalents included in deferred income taxes and other assets	91	91
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	50	90
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	100	1,394
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	18	19
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	$ 2,343	$ 1,785