Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Cash flows from operating activities:
Net earnings	$ 2,526	$ 2,496	$ 4,554
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	354	332	4,061
Stock-based compensation expense	224	182	709
Restructuring and other charges	362	200	1,017
Deferred taxes on earnings	238	401	(700)
Other, net	134	(32)	1,426
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(453)	565	572
Inventory	(1,346)	(291)	(330)
Accounts payable	2,161	928	31
Taxes on earnings	73	106	(137)
Restructuring and other	(233)	(157)	(1,243)
Other assets and liabilities	(363)	(1,478)	(2,934)
Net cash provided by operating activities	3,677	3,252	7,026
Cash flows from investing activities:
Investment in property, plant and equipment	(402)	(433)	(3,603)
Proceeds from sale of property, plant and equipment	69	6	424
Purchases of available-for-sale securities and other investments	(1,919)	(126)	(259)
Maturities and sales of available-for-sale securities and other investments	535	133	302
Payments made in connection with business acquisitions, net of cash acquired	0	(7)	(2,644)
Proceeds from business divestitures, net	0	475	246
Net cash (used in) provided by investing activities	(1,717)	48	(5,534)
Cash flows from financing activities:
Proceeds from short-term borrowings with original maturities less than 90 days, net	202	97	74
Proceeds from short-term borrowings with original maturities greater than 90 days	887	0	6,023
Proceeds from debt, net of issuance costs	5	4	14,735
Payment of short term borrowings with original maturities greater than 90 days	(3)	0	(6,296)
Payment of debt	(84)	(2,188)	(9,571)
Settlement of cash flow hedges	(9)	4	(4)
Net transfer of cash and cash equivalents to Hewlett Packard Enterprise Company	0	(10,375)	0
Net proceeds (payments) related to stock-based award activities	57	32	(20)
Repurchase of common stock	(1,412)	(1,161)	(2,883)
Cash dividends paid	(894)	(858)	(1,250)
Net cash (used in) provided by financing activities	(1,251)	(14,445)	808
Increase (decrease) in cash and cash equivalents	709	(11,145)	2,300
Cash and cash equivalents at beginning of period	6,288	17,433	15,133
Cash and cash equivalents at end of period	6,997	6,288	17,433
Supplemental cash flow disclosures:
Income taxes paid, net of refunds	438	587	1,012
Interest expense paid	322	318	532
Supplemental schedule of non-cash activities:
Net assets transferred to Hewlett Packard Enterprise Company	0	22,144	0
Purchase of assets under capital leases	$ 200	$ 185	$ 70