Cash, Cash Equivalents and Investments - Summary of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions	Jan. 25, 2026	Oct. 26, 2025	Jan. 26, 2025
Summary of Cash, Cash Equivalents and Investments
Cash	$ 1,541	$ 1,419
Total cash equivalents	5,677	5,822
Total cash and cash equivalents	7,218	7,241	$ 6,264
Total equity investments, cost	1,633	1,630
Total equity investments, gross unrealized gains	1,380	898
Total equity investments, gross unrealized losses	67	48
Total equity investments, estimated fair value	2,946	2,480
Total short-term and long-term investments cost	4,937	4,793
Total short-term and long-term investments, gross unrealized gains	1,393	916
Total short-term and long-term investments ,gross unrealized losses	69	50
Total short-term and long-term investments, fair value	6,261	5,659
Total cash, cash equivalents and investments, cost	12,155	12,034
Total cash, cash equivalents and investments, gross unrealized gains	1,393	916
Total cash, cash equivalents and investments, gross unrealized losses	69	50
Total cash, cash equivalents and investments, estimated fair value	13,479	12,900
Restricted cash equivalents included in deferred income taxes and other assets	69		$ 91
Total fixed income securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	3,304	3,163
Gross unrealized gains on fixed income securities	13	18
Gross unrealized losses on fixed income securities	2	2
Estimated fair value of fixed income securities	3,315	3,179
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	1	4
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	1	4
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	1,274	1,229
Gross unrealized gains on fixed income securities	2	3
Gross unrealized losses on fixed income securities	1	0
Estimated fair value of fixed income securities	1,275	1,232
Non-U.S. government securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	3	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	3	5
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	474	463
Gross unrealized gains on fixed income securities	3	5
Gross unrealized losses on fixed income securities	0	0
Estimated fair value of fixed income securities	477	468
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	984	848
Gross unrealized gains on fixed income securities	5	6
Gross unrealized losses on fixed income securities	0	0
Estimated fair value of fixed income securities	989	854
Asset-backed and mortgage-backed securities
Summary of Cash, Cash Equivalents and Investments
Cost of fixed income securities	568	614
Gross unrealized gains on fixed income securities	3	4
Gross unrealized losses on fixed income securities	1	2
Estimated fair value of fixed income securities	570	616
Publicly traded equity securities
Summary of Cash, Cash Equivalents and Investments
Equity investments, cost	1,287	1,288
Equity investments, unrealized gains	1,290	824
Equity investments, unrealized losses	1	2
Equity investments, estimated fair value	2,576	2,110
Equity investments in privately held companies
Summary of Cash, Cash Equivalents and Investments
Equity investments in privately held companies, cost	346	342
Equity investments in privately held companies, gross unrealized gains	90	74
Equity investments in privately held companies , gross unrealized losses	66	46
Equity investments in privately held companies, estimated fair value	370	370
Money market funds
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	3,719	2,193
Restricted cash equivalents included in deferred income taxes and other assets	69	71
Bank certificates of deposit and time deposits
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	180	180
U.S. Treasury and agency securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	398	1,196
Municipal securities
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	5	5
Commercial paper, corporate bonds and medium-term notes
Summary of Cash, Cash Equivalents and Investments
Total cash equivalents	$ 1,375	$ 2,248