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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($)
$ in Millions
 6 Months Ended
Apr. 30, 2017
Apr. 30, 2016
Cash flows from operating activities    
Net income $ 332 $ 212
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 109 130
Share-based compensation 35 36
Deferred taxes 20 35
Excess and obsolete inventory related charges 15 12
Other non-cash expense, net 2 8
Changes in assets and liabilities:    
Accounts receivable (48) 19
Inventory (29) (13)
Accounts payable 6 (53)
Employee compensation and benefits 7 (13)
Other assets and liabilities (76) (8)
Net cash provided by operating activities 373 365
Cash flows from investing activities:    
Investments in property, plant and equipment (75) (63)
Loan to equity method investment 0 (3)
Payment to acquire cost method investment 0 (80)
Payment in exchange for convertible note 0 (1)
Change in restricted cash and cash equivalents, net 0 245
Proceeds from sale of investment securities 0 1
Proceeds from divestitures 1 0
Acquisitions of businesses and intangible assets, net of cash acquired (70) (235)
Net cash used in investing activities (144) (136)
Cash flows from financing activities:    
Issuance of common stock under employee stock plans 26 32
Payment of taxes related to net share settlement of equity awards (13) (5)
Payment of dividends (85) (75)
Proceeds from revolving credit facility 228 255
Repayment of revolving credit facility (87) (20)
Treasury stock repurchases (194) (294)
Net cash used in financing activities (125) (107)
Effect of exchange rate movements (4) 14
Net increase in cash and cash equivalents 100 136
Cash and cash equivalents at end of period 2,389 2,139
Supplemental cash flow information:    
Income tax paid, net 41 21
Interest payments $ 40 $ 37