CONSOLIDATED STATEMENT OF EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total Stockholders Equity	Non-controlling Interest
Treasury Stock, Number of shares				(269,330)
Treasury Stock, Value				$ (9,607)
Balance (in shares) at Oct. 31, 2013		601,629
Balance at Oct. 31, 2013	$ 5,300	$ 6	$ 8,711		$ 6,096	$ 91	$ 5,297	$ 3
Components of comprehensive income, net of tax:
Net income	549				549		549
Other comprehensive loss	(425)					(425)	(425)
Total comprehensive income	124						124
Cash dividends declared	(176)				(176)		(176)
Share-based awards issued (in shares)		6,261
Share-based awards issued	170		170				170
Repurchase of common stock (in shares)				(3,594)
Repurchase of common stock	(200)			$ (200)			(200)
Share-based compensation	96		96				96
Tax benefit from share based awards issued	1		1				1
Adjustment to cumulative excess tax benefits realized from share based awards issued	(11)		(11)				(11)
Balance at Oct. 31, 2014	5,304	$ 6	8,967		6,469	(334)	5,301	3
Balance (in shares) at Oct. 31, 2014		607,890
Treasury Stock, Number of shares				(272,924)
Treasury Stock, Value				$ (9,807)
Components of comprehensive income, net of tax:
Net income	401				401		401
Other comprehensive loss	(389)					(389)	(389)
Total comprehensive income	12						12
Cash dividends declared	(133)				(133)		(133)
Share-based awards issued (in shares)		2,964
Share-based awards issued	44		44				44
Repurchase of common stock (in shares)				(6,471)
Repurchase of common stock	(267)			$ (267)			(267)
Share-based compensation	54		54				54
Tax benefit from share based awards issued	8		8				8
Distribution of Keysight	(852)		(28)		(1,156)	332	(852)
Balance at Oct. 31, 2015	$ 4,170	$ 6	9,045		5,581	(391)	4,167	3
Balance (in shares) at Oct. 31, 2015		610,854
Treasury Stock, Number of shares	(279,000)			(279,395)
Treasury Stock, Value	$ (10,074)			$ (10,074)
Components of comprehensive income, net of tax:
Net income	462				462		462
Other comprehensive loss	(112)					(112)	(112)
Total comprehensive income	350						350
Cash dividends declared	(150)				(150)		(150)
Share-based awards issued (in shares)		2,682
Share-based awards issued	56		56				56
Repurchase of common stock (in shares)				(10,680)
Repurchase of common stock	(434)			$ (434)			(434)
Share-based compensation	58		58				58
Balance at Oct. 31, 2016	$ 4,246	$ 6	$ 9,159		6,089	$ (503)	4,243	$ 3
Balance (in shares) at Oct. 31, 2016		613,536
Treasury Stock, Number of shares	(290,000)			(290,075)
Treasury Stock, Value	$ (10,508)			$ (10,508)
Components of comprehensive income, net of tax:
Adjustment due to adoption of ASU 2019-09	$ 196				$ 196		$ 196