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Consolidated Statements of Operations Consolidated Statements of Operations - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Nov. 04, 2018
Aug. 05, 2018
May 06, 2018
Feb. 04, 2018
Oct. 29, 2017
Jul. 30, 2017
Apr. 30, 2017
Jan. 29, 2017
Nov. 04, 2018
Oct. 29, 2017
Oct. 30, 2016
Income Statement [Abstract]                      
Net revenue $ 5,444 $ 5,063 $ 5,014 $ 5,327 $ 4,844 $ 4,463 $ 4,190 $ 4,139 $ 20,848 $ 17,636 $ 13,240
Cost of products sold                 7,021 6,593 5,295
Purchase accounting effect on inventory       70         70 4 1,185
Amortization of acquisition-related intangible assets - cost of products sold                 3,004 2,511 763
Restructuring charges                 20 19 57
Total cost of products sold                 10,115 9,127 7,300
Gross margin 2,935 2,619 2,551 2,628 2,383 2,149 1,976 2,001 10,733 8,509 5,940
Research and development                 3,768 3,292 2,674
Selling, general and administrative                 1,056 787 806
Amortization of acquisition-related intangible assets - operating expenses                 541 1,764 1,873
Restructuring, impairment and disposal charges       145         219 161 996
Litigation settlements         110       14 122 0
Total operating expenses                 5,598 6,126 6,349
Operating income (loss) 1,652 [1] 1,339 [2] 1,201 [3] 943 [4] 755 [5] 648 [6] 474 [7] 506 [8] 5,135 2,383 (409)
Interest expense                 (628) (454) (585)
Impairment on investment (106)               (106) 0 0
Loss on extinguishment of debt               159 0 (166) (123)
Other income, net                 144 62 10
Income (loss) from continuing operations before income taxes                 4,545 1,825 (1,107)
Provision for (benefit from) income taxes                 (8,084) 35 642
Income (loss) from continuing operations 1,115 [1] 1,197 [2] 3,736 [3] 6,581 [4] 556 [5] 509 [6] 468 [7] 257 [8] 12,629 1,790 (1,749)
Loss from discontinued operations, net of income taxes 0 [1] (1) [2] (3) [3] (15) [4] 5 [5] (2) [6] (4) [7] (5) [8] (19) (6) (112)
Net income (loss) 1,115 [1] 1,196 [2] 3,733 [3] 6,566 [4] 561 [5] 507 [6] 464 [7] 252 [8] 12,610 1,784 (1,861)
Net income (loss) attributable to noncontrolling interest 0 0 15 336 29 26 24 13 351 92 (122)
Net income (loss) attributable to common stock $ 1,115 $ 1,196 $ 3,718 $ 6,230 $ 532 $ 481 $ 440 $ 239 $ 12,259 $ 1,692 $ (1,739)
Basic income per share:                      
Income (loss) per share from continuing operations (in dollars per share)                 $ 29.37 $ 4.19 $ (4.46)
Income (loss) per share from discontinued operations (in dollars per share)                 (0.04) (0.01) (0.29)
Net income (loss) per share (in dollars per share)                 29.33 4.18 (4.75)
Diluted income per share:                      
Income (loss) per share from continuing operations (in dollars per share) $ 2.64 $ 2.71 $ 8.34 $ 14.66 $ 1.24 $ 1.14 $ 1.06 $ 0.58 28.48 4.03 (4.57)
Loss per share from discontinued operations, net of income taxes (in dollars per share) 0.00 0.00 (0.01) (0.04) 0.01 0.00 (0.01) (0.01) (0.04) (0.01) (0.29)
Net income (loss) per share (in dollars per share) $ 2.64 $ 2.71 $ 8.33 $ 14.62 $ 1.25 $ 1.14 $ 1.05 $ 0.57 $ 28.44 $ 4.02 $ (4.86)
Weighted-average shares:                      
Basic                 418 405 366
Diluted                 431 421 383
[1] Includes amortization of acquisition-related intangible assets of $829 million and impairment on investment of $106 million.
[2] Includes amortization of acquisition-related intangible assets of $830 million.
[3] Includes amortization of acquisition-related intangible assets of $832 million.
[4] Includes the results of Brocade beginning with the fiscal quarter ended February 4, 2018 in connection with the completion of the Brocade Merger on November 17, 2017. Also includes amortization of acquisition-related intangible assets of $1,054 million, a purchase accounting effect on inventory charge of $70 million and restructuring, impairment and disposal charges of $145 million.
[5] Includes amortization of acquisition-related intangible assets of $1,099 million and $110 million of litigation settlement charges.
[6] Includes amortization of acquisition-related intangible assets of $1,096 million.
[7] Includes amortization of acquisition-related intangible assets of $1,081 million.
[8] Includes amortization of acquisition-related intangible assets of $999 million and a loss on debt extinguishment of $159 million.