Cash, Cash Equivalents and Investments - Summary of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions	Oct. 26, 2025	Oct. 27, 2024	Oct. 29, 2023
Summary of Cash, Cash Equivalents and Investments
Cash	$ 1,419	$ 1,313
Total cash equivalents	5,822	6,709
Total cash and cash equivalents	7,241	8,022	$ 6,132
Total equity investments, cost	1,630	798
Total equity investments, gross unrealized gains	898	243
Total equity investments, gross unrealized losses	48	27
Total equity investments, estimated fair value	2,480	1,014
Total short-term and long-term investments cost	4,793	4,022
Total short-term and long-term investments, gross unrealized gains	916	252
Total short-term and long-term investments ,gross unrealized losses	50	38
Total short-term and long-term investments, estimated fair value	5,659	4,236
Total cash, cash equivalents and investments, cost	12,034	12,044
Total cash, cash equivalents and investments, gross unrealized gains	916	252
Total cash, cash equivalents and investments, gross unrealized losses	50	38
Total cash, cash equivalents and investments, estimated fair value	12,900	12,258
Restricted cash equivalents included in deferred income taxes and other assets	71	91	$ 101
Total fixed income securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	3,163	3,224
Gross unrealized gains on fixed income securities	18	9
Gross unrealized losses on fixed income securities	2	11
Estimated fair value of fixed income securities	3,179	3,222
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	4	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	4	13
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	1,229	1,306
Gross unrealized gains on fixed income securities	3	0
Gross unrealized losses on fixed income securities	0	2
Estimated fair value of fixed income securities	1,232	1,304
Non-U.S. government securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	5	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	5	5
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	463	441
Gross unrealized gains on fixed income securities	5	2
Gross unrealized losses on fixed income securities	0	2
Estimated fair value of fixed income securities	468	441
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	848	803
Gross unrealized gains on fixed income securities	6	4
Gross unrealized losses on fixed income securities	0	2
Estimated fair value of fixed income securities	854	805
Asset-backed and mortgage-backed securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	614	656
Gross unrealized gains on fixed income securities	4	3
Gross unrealized losses on fixed income securities	2	5
Estimated fair value of fixed income securities	616	654
Publicly traded equity securities
Summary of Cash, Cash Equivalents and Investments
Equity investments cost	1,288	543
Equity investments unrealized gains	824	185
Equity investments unrealized losses	2	5
Equity investments estimated fair value	2,110	723
Equity investments in privately held companies
Summary of Cash, Cash Equivalents and Investments
Equity investments in privately held companies, cost	342	255
Equity investments in privately held companies, gross unrealized gains	74	58
Equity investments in privately held companies , gross unrealized losses	46	22
Equity investments in privately held companies, estimated fair value	370	291
Money market funds
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	2,193	3,421
Restricted cash equivalents included in deferred income taxes and other assets	71	91
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	180	90
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	1,196	1,394
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	5	19
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	$ 2,248	$ 1,785