Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Cash flows from operating activities:
Net earnings		$ 1,049	$ 1,908	$ 344
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization		2,535	2,576	3,051
Impairment of goodwill		0	88	0
Stock-based compensation expense		268	286	428
Provision for inventory and doubtful accounts		240	198	129
Restructuring charges		221	550	964
Deferred taxes on earnings		1,079	2,229	(1,122)
(Earnings) loss from equity interests		(20)	(38)	23
Dividends received from equity investee		156	164	98
Other, net		204	(158)	543
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable		374	(220)	457
Financing receivables		(410)	(366)	(462)
Inventory		46	(260)	(542)
Accounts payable		(525)	(27)	992
Taxes on earnings		(1,093)	(4,516)	(265)
Restructuring		(331)	(647)	(800)
Other assets and liabilities	[1]	204	1,197	(2,503)
Net cash provided by operating activities		3,997	2,964	1,335
Cash flows from investing activities:
Investment in property, plant and equipment		(2,856)	(2,956)	(3,137)
Proceeds from sale of property, plant and equipment		597	1,094	679
Purchases of available-for-sale securities and other investments		(39)	(33)	(45)
Maturities and sales of available-for-sale securities and other investments		26	98	38
Financial collateral posted		(403)	(1,625)	(1,234)
Financial collateral received		744	1,736	572
Payments made in connection with business acquisitions, net of cash acquired		(1,526)	(207)	(2,202)
Proceeds from business divestitures, net		0	13	(20)
Net cash used in investing activities		(3,457)	(1,880)	(5,349)
Cash flows from financing activities:
Short-term borrowings with original maturities less than 90 days, net		(53)	5	18
Proceeds from debt, net of issuance costs		3,517	2,457	2,259
Payment of debt		(2,203)	(4,138)	(3,783)
Settlement of cash flow hedge		0	0	5
Net proceeds related to stock-based award activities		48	116	108
Repurchase of common stock		(2,249)	(3,568)	(2,556)
Restricted cash transfer	[2]	0	0	(29)
Cash dividends paid to non-controlling interests		0	(9)	0
Cash dividends paid		(608)	(570)	(428)
Net cash (used in) provided by financing activities		(1,548)	(5,592)	164
(Decrease) in cash, cash equivalents and restricted cash		(1,008)	(4,508)	(3,850)
Cash, cash equivalents and restricted cash at beginning of period		5,084	9,592	13,442
Cash, cash equivalents and restricted cash at end of period		4,076	5,084	9,592
Supplemental cash flow disclosures:
Income taxes paid, net of refunds		518	538	836
Interest expense paid		593	609	415
Supplemental schedule of non-cash investing and financing activities:
Net assets transferred to Everett and Seattle		0	0	5,946
Everett SpinCo, Inc.
Cash flows from financing activities:
Net transfer of cash and cash equivalents		0	(41)	(711)
Cash dividend	[3]	0	0	3,008
Seattle SpinCo, Inc.
Cash flows from financing activities:
Net transfer of cash and cash equivalents		0	156	(227)
Cash dividend	[4]	$ 0	$ 0	$ 2,500

[1] For fiscal 2017, the amount includes $1.9 billion of pension funding payments associated with the separation and merger of Everett SpinCo, Inc. with Computer Sciences Corporation.

[2] In fiscal 2017, represents the difference between the net proceeds from the Seattle debt issuance in the third quarter of fiscal 2017 and the amount held in escrow through the close of the transaction. This was settled in the fourth quarter of fiscal 2017 with the net transfer of cash and cash equivalents to Seattle.

[3] In fiscal 2017, represents a $3.0 billion cash dividend payment from Everett SpinCo, Inc. to HPE, the proceeds of which were funded from the issuance of $3.5 billion of debt by Everett SpinCo, Inc. The debt was retained by Everett SpinCo, Inc.

[4] In fiscal 2017, represents a $2.5 billion cash dividend payment from Seattle SpinCo, Inc. to HPE, the proceeds of which were funded from the issuance of $2.6 billion of aggregate debt by Seattle SpinCo, Inc. The debt was retained by Seattle SpinCo, Inc.