CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Cash flows from operating activities:
Net income	$ 102	$ 335	$ 513
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	225	134	99
Share-based compensation	56	49	55
Excess tax (benefit) deficiency from share-based plans	(3)	5	(4)
Amortization of Debt Issuance Costs	9	0	0
Deferred tax expense (benefit)	(47)	17	(163)
Excess and obsolete inventory related charges	16	17	28
Gain on sale of land	(8)	(10)	0
Asset impairment	7	0	0
Pension curtailment and settlement gains	(69)	0	0
Other non-cash expenses (income), net	10	4	14
Changes in assets and liabilities:
Accounts receivable	(11)	(42)	(20)
Inventory	(4)	(22)	(25)
Accounts payable	15	(8)	18
Payment (to)/from Agilent, net	0	0	(28)
Employee compensation and benefits	(1)	16	6
Increase (Decrease) in Deferred Revenue	90	15	(24)
Income taxes payable	3	(9)	2
Retirement and post-retirement benefits	(15)	(32)	(44)
Other assets and liabilities	(62)	(53)	(51)
Net cash provided by operating activities	313	416	376
Cash flows from investing activities:
Purchases of property, plant and equipment	(72)	(91)	(92)
Proceeds from the sale of property, plant and equipment	8	10	1
Acquisitions of businesses and intangible assets, net of cash acquired	(1,702)	(10)	(574)
Purchase of investments	(1)	0	(7)
Proceeds from the sale of investments	45	1	1
Net cash used in investing activities	(1,722)	(90)	(671)
Cash flows from financing activities:
Issuance of common stock under employee stock plans	51	43	26
Proceeds from Issuance of Common Stock	444	0	0
Payments for Repurchase of Common Stock	0	(62)	0
Proceeds from issuance of long-term debt	1,069	0	0
Debt issuance costs	(16)	0	0
Proceeds from short-term borrowings	212	0	0
Repayment of debt and credit facility	(323)	(1)	0
Excess tax benefit (deficiency) from share-based plans	3	(5)	4
Return of capital to Agilent	0	0	(49)
Net cash provided by/(used in) financing activities	1,440	(25)	(19)
Effect of exchange rate movements	4	(1)	(13)
Net increase/(decrease) in cash and cash equivalents	35	300	(327)
Cash and cash equivalents at beginning of year	783	483	810
Cash and cash equivalents at end of year	$ 818	$ 783	$ 483