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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($)
$ in Millions
 6 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Cash flows from operating activities    
Net income (loss) $ (115) $ 332
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 101 109
Share-based compensation 43 35
Deferred taxes (13) 20
Excess and obsolete inventory related charges 17 15
Other non-cash expense, net 2 2
Changes in assets and liabilities:    
Accounts receivable (21) (48)
Inventory (34) (29)
Accounts payable (14) 6
Employee compensation and benefits (7) 7
Change in assets and liabilities due to Tax Act 533 0
Other assets and liabilities 26 (76)
Net cash provided by operating activities 518 373
Net Cash Provided by (Used in) Investing Activities [Abstract]    
Investments in property, plant and equipment (108) (75)
Payment to acquire cost method investment (1) 0
Payments in exchange for convertible note (2) 0
Change in restricted cash and cash equivalents, net 1 0
Proceeds from divestitures 0 1
Acquisitions of businesses and intangible assets, net of cash acquired (7) (70)
Net cash used in investing activities (117) (144)
Cash flows from financing activities:    
Issuance of common stock under employee stock plans 36 26
Payment of taxes related to net share settlement of equity awards (29) (13)
Payment of dividends (96) (85)
Proceeds from revolving credit facility 356 228
Repayment of debt and revolving credit facility (251) (87)
Treasury stock repurchases (93) (194)
Net cash used in financing activities (77) (125)
Effect of exchange rate movements 9 (4)
Net increase in cash and cash equivalents 333 100
Cash and cash equivalents at beginning of period 2,678 2,289
Cash and cash equivalents at end of period 3,011 2,389
Supplemental cash flow information:    
Income tax paid, net 48 41
Interest payments 43 40
Non-cash changes in investments in property, plant and equipment increase (decrease) $ (21) $ 8