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CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Cash flows from operating activities:      
Net income $ 719 $ 1,071 $ 316
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 308 238 210
Share-based compensation 83 72 70
Deferred taxes 29 (255) (16)
Excess and obsolete inventory related charges 28 19 26
Gain on step acquisition 0 0 (20)
Asset impairment charges 99 0 21
Unrealized gain on equity securities, net 28 1 0
Loss on extinguishment of debt 0 9 0
Other 8 7 9
Changes in assets and liabilities:      
Accounts receivable, net (107) (106) (65)
Inventory (68) (36) (83)
Accounts payable 2 29 40
Employee compensation and benefits 29 23 31
Change in assets and liabilities due to Tax Act 0 0 552
Treasury lock agreement payment 0 (6) 0
Other assets and liabilities (181) (43) (4)
Net cash provided by operating activities 921 1,021 1,087
Cash flows from investing activities:      
Investments in property, plant and equipment (119) (155) (177)
Proceeds from the sale of property, plant and equipment 1 0 1
Payments to acquire fair value investments (20) (23) (11)
Payment in exchange for convertible note (9) (3) (2)
Payment to acquire intangible assets 0 (1) 0
Acquisitions of businesses and intangible assets, net of cash acquired 0 (1,408) (516)
Net cash used in investing activities (147) (1,590) (705)
Cash flows from financing activities:      
Issuance of common stock under employee stock plans 60 54 56
Payment of taxes related to net share settlement of equity awards (37) (16) (30)
Treasury stock repurchases (469) (723) (422)
Payment of dividends (222) (206) (191)
Issuance of senior notes 499 497 0
Debt issuance costs (4) (4) 0
Proceeds from commercial paper 420 0 0
Repayments of commercial paper (345) 0 0
Repayments of finance leases (4) 0 0
Payments to Noncontrolling Interests 0 (4) 0
Proceeds from credit facility and short-term loan 798 805 483
Repayments of debt and credit facility (1,413) (702) (693)
Net cash used in financing activities (717) (299) (797)
Effect of exchange rate movements 2 2 (17)
Net increase (decrease) in cash, cash equivalents and restricted cash 59 (866) (432)
Cash, cash equivalents and restricted cash at beginning of year 1,388 2,254 2,686
Cash, cash equivalents and restricted cash at end of year 1,447 1,388 2,254
Supplemental Cash Flow Information [Abstract]      
Income tax payments, net 361 159 102
Interest payments 71 80 80
Net change in property, plant and equipment increase (decrease) $ (1) $ (21) $ (5)