Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Cash flows from operating activities:
Net earnings	$ 2,496	$ 4,554	$ 5,013
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	332	4,061	4,334
Stock-based compensation expense	182	709	560
Provision for doubtful accounts	65	71	55
Provision for inventory	95	305	211
Restructuring and other charges	200	1,017	1,619
Deferred taxes on earnings	401	(700)	(34)
Excess tax benefit from stock-based compensation	(6)	(145)	(58)
Other, net	(198)	1,031	81
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	565	572	2,017
Financing receivables	0	(65)	420
Inventory	(291)	(330)	(580)
Accounts payable	928	31	1,912
Taxes on earnings	106	(137)	310
Restructuring and other	(157)	(1,243)	(1,506)
Other assets and liabilities	(1,488)	(3,241)	(2,021)
Net cash provided by operating activities	3,230	6,490	12,333
Cash flows from investing activities:
Investment in property, plant and equipment	(433)	(3,603)	(3,853)
Proceeds from sale of property, plant and equipment	6	424	843
Purchases of available-for-sale securities and other investments	(126)	(259)	(1,086)
Maturities and sales of available-for-sale securities and other investments	133	302	1,347
Payments made in connection with business acquisitions, net of cash acquired	(7)	(2,644)	(49)
Proceeds from business divestitures, net	475	246	6
Net cash provided by (used in) investing activities	48	(5,534)	(2,792)
Cash flows from financing activities:
Short-term borrowings with original maturities less than 90 days, net	97	74	148
Proceeds from debt, net of issuance costs	4	20,758	2,875
Payment of debt	(2,188)	(15,867)	(6,037)
Settlement of cash flow hedges	4	(4)	0
Net transfer of cash and cash equivalents to Hewlett Packard Enterprise Company	(10,375)	0	0
Issuance of common stock under employee stock plans	48	371	297
Repurchase of common stock	(1,161)	(2,883)	(2,728)
Excess tax benefit from stock-based compensation	6	145	58
Cash dividends paid	(858)	(1,250)	(1,184)
Net cash (used in) provided by financing activities	(14,423)	1,344	(6,571)
(Decrease) increase in cash and cash equivalents	(11,145)	2,300	2,970
Cash and cash equivalents at beginning of period	17,433	15,133	12,163
Cash and cash equivalents at end of period	6,288	17,433	15,133
Supplemental cash flow disclosures:
Income taxes paid, net of refunds	587	1,012	1,267
Interest expense paid	318	532	678
Supplemental schedule of non-cash investing and financing activities:
Purchase of assets under capital leases	185	70	113
Stock awards assumed in business acquisitions	$ 0	$ 31	$ 0