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Cash, Cash Equivalents and Investments - Summary of Cash, Cash Equivalents and Investments (Details) - USD ($)
$ in Millions
Apr. 26, 2026
Oct. 26, 2025
Apr. 27, 2025
Summary of Cash, Cash Equivalents and Investments      
Cash $ 1,497 $ 1,419  
Total cash equivalents 4,804 5,822  
Total cash and cash equivalents 6,301 7,241 $ 6,169
Total equity investments, cost 1,313 1,630  
Total equity investments, gross unrealized gains 1,391 898  
Total equity investments, gross unrealized losses 77 48  
Total equity investments, estimated fair value 2,627 2,480  
Total short-term and long-term investments cost 5,770 4,793  
Total short-term and long-term investments, gross unrealized gains 1,397 916  
Total short-term and long-term investments ,gross unrealized losses 85 50  
Total short-term and long-term investments, fair value 7,082 5,659  
Total cash, cash equivalents and investments, cost 12,071 12,034  
Total cash, cash equivalents and investments, gross unrealized gains 1,397 916  
Total cash, cash equivalents and investments, gross unrealized losses 85 50  
Total cash, cash equivalents and investments, estimated fair value 13,383 12,900  
Restricted cash equivalents included in deferred income taxes and other assets 58   $ 75
Total fixed income securities      
Summary of Cash, Cash Equivalents and Investments      
Cost of fixed income securities 4,457 3,163  
Gross unrealized gains on fixed income securities 6 18  
Gross unrealized losses on fixed income securities 8 2  
Estimated fair value of fixed income securities 4,455 3,179  
Bank certificates of deposit and time deposits      
Summary of Cash, Cash Equivalents and Investments      
Cost of fixed income securities 6 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 6 4  
U.S. Treasury and agency securities      
Summary of Cash, Cash Equivalents and Investments      
Cost of fixed income securities 2,247 1,229  
Gross unrealized gains on fixed income securities 0 3  
Gross unrealized losses on fixed income securities 4 0  
Estimated fair value of fixed income securities 2,243 1,232  
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  
Municipal securities      
Summary of Cash, Cash Equivalents and Investments      
Cost of fixed income securities 477 463  
Gross unrealized gains on fixed income securities 2 5  
Gross unrealized losses on fixed income securities 1 0  
Estimated fair value of fixed income securities 478 468  
Commercial paper, corporate bonds and medium-term notes      
Summary of Cash, Cash Equivalents and Investments      
Cost of fixed income securities 1,174 848  
Gross unrealized gains on fixed income securities 3 6  
Gross unrealized losses on fixed income securities 1 0  
Estimated fair value of fixed income securities 1,176 854  
Asset-backed and mortgage-backed securities      
Summary of Cash, Cash Equivalents and Investments      
Cost of fixed income securities 553 614  
Gross unrealized gains on fixed income securities 1 4  
Gross unrealized losses on fixed income securities 2 2  
Estimated fair value of fixed income securities 552 616  
Publicly traded equity securities      
Summary of Cash, Cash Equivalents and Investments      
Equity investments, cost 965 1,288  
Equity investments, unrealized gains 1,284 824  
Equity investments, unrealized losses 1 2  
Equity investments, estimated fair value 2,248 2,110  
Equity investments in privately held companies      
Summary of Cash, Cash Equivalents and Investments      
Equity investments in privately held companies, cost 348 342  
Equity investments in privately held companies, gross unrealized gains 107 74  
Equity investments in privately held companies , gross unrealized losses 76 46  
Equity investments in privately held companies, estimated fair value 379 370  
Money market funds      
Summary of Cash, Cash Equivalents and Investments      
Total cash equivalents 2,428 2,193  
Restricted cash equivalents included in deferred income taxes and other assets 58 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   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 $ 2,191 $ 2,248