v3.26.1
Industry Segment Operations - Schedule of Reportable Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Apr. 26, 2026
Apr. 27, 2025
Apr. 26, 2026
Apr. 27, 2025
Oct. 26, 2025
Segment Reporting Information [Line Items]          
Revenue $ 7,910 $ 7,100 $ 14,922 $ 14,266  
Cost of products sold 3,963 3,615 7,540 7,285  
Gross profit $ 3,947 $ 3,485 $ 7,382 $ 6,981  
Gross margin 49.90% 49.10% 49.50% 48.90%  
Operating expenses:          
Research, development and engineering $ 1,027 $ 893 $ 1,955 $ 1,752  
Selling, general and administrative 397 423 808 885  
Legal settlement 0 0 253 0  
Restructuring charges 0 0 12 0  
Income from operations $ 2,523 $ 2,169 $ 4,354 $ 4,344  
Operating margin 31.90% 30.50% 29.20% 30.50%  
Depreciation and amortization $ 135 $ 103 $ 262 $ 208  
Capital expenditures 635 510 1,281 891  
Accounts receivable 6,372 6,187 6,372 6,187 $ 5,185
Inventories 6,343 5,656 6,343 5,656 5,915
Goodwill 3,824 3,748 3,824 3,748 $ 3,707
Operating Segments | Semiconductor Systems          
Segment Reporting Information [Line Items]          
Revenue 5,965 5,401 11,106 10,998  
Cost of products sold 2,701 2,512 5,048 5,123  
Gross profit $ 3,264 $ 2,889 $ 6,058 $ 5,875  
Gross margin 54.70% 53.50% 54.50% 53.40%  
Operating expenses:          
Research, development and engineering $ 865 $ 774 $ 1,663 $ 1,508  
Selling, general and administrative 307 345 623 725  
Legal settlement     253    
Restructuring charges     0    
Income from operations $ 2,092 $ 1,770 $ 3,519 $ 3,642  
Operating margin 35.10% 32.80% 31.70% 33.10%  
Depreciation and amortization $ 101 $ 73 $ 182 $ 142  
Capital expenditures 120 118 196 225  
Accounts receivable 4,820 4,925 4,820 4,925  
Inventories 4,309 3,666 4,309 3,666  
Goodwill 2,661 2,544 2,661 2,544  
Operating Segments | Applied Global Services          
Segment Reporting Information [Line Items]          
Revenue 1,665 1,420 3,224 2,773  
Cost of products sold 1,088 944 2,110 1,860  
Gross profit $ 577 $ 476 $ 1,114 $ 913  
Gross margin 34.70% 33.50% 34.50% 32.90%  
Operating expenses:          
Research, development and engineering $ 20 $ 18 $ 38 $ 32  
Selling, general and administrative 70 80 151 167  
Legal settlement     0    
Restructuring charges     0    
Income from operations $ 487 $ 378 $ 925 $ 714  
Operating margin 29.20% 26.60% 28.70% 25.70%  
Depreciation and amortization $ 16 $ 12 $ 30 $ 24  
Capital expenditures 14 19 24 23  
Accounts receivable 1,265 1,159 1,265 1,159  
Inventories 1,852 1,804 1,852 1,804  
Goodwill 964 964 964 964  
Other          
Segment Reporting Information [Line Items]          
Revenue 280 279 592 495  
Cost of products sold 174 159 382 302  
Gross profit 106 120 210 193  
Operating expenses:          
Research, development and engineering 142 101 254 212  
Selling, general and administrative 20 (2) 34 (7)  
Legal settlement     0    
Restructuring charges     12    
Income from operations (56) 21 (90) (12)  
Depreciation and amortization 18 18 50 42  
Capital expenditures 501 373 1,061 643  
Accounts receivable 287 103 287 103  
Inventories 182 186 182 186  
Goodwill $ 199 $ 240 $ 199 $ 240