CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Cash flows from operating activities
Net income (loss)	$ (320)	$ 168
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	51	55
Share-based compensation	31	20
Deferred taxes	(6)	16
Excess and obsolete inventory related charges	5	7
Other non-cash expense, net	1	2
Changes in assets and liabilities:
Accounts receivable	(5)	(31)
Inventory	(34)	(26)
Accounts payable	(3)	9
Employee compensation and benefits	(62)	(43)
Change in assets and liabilities due to Tax Act	533	0
Other assets and liabilities	24	(61)
Net cash provided by operating activities	215	116
Net Cash Provided by (Used in) Investing Activities [Abstract]
Investments in property, plant and equipment	(60)	(32)
Payment to acquire cost method investment	(1)	0
Proceeds from divestitures	0	1
Acquisitions of businesses and intangible assets, net of cash acquired	(6)	(70)
Net cash used in investing activities	(67)	(101)
Cash flows from financing activities:
Issuance of common stock under employee stock plans	25	18
Payment of taxes related to net share settlement of equity awards	(28)	(12)
Payment of dividends	(48)	(42)
Proceeds from revolving credit facility	274	131
Repayment of debt and revolving credit facility	(139)	(42)
Treasury stock repurchases	(47)	(111)
Net cash provided by (used) in financing activities	37	(58)
Effect of exchange rate movements	24	(5)
Net increase (decrease) in cash and cash equivalents	209	(48)
Cash and cash equivalents at beginning of period	2,678	2,289
Cash and cash equivalents at end of period	2,887	2,241
Supplemental cash flow information:
Income tax paid, net	32	27
Interest payments	29	29
Non-cash changes in investments in property, plant and equipment increase (decrease)	$ (12)	$ 6