Consolidated Condensed Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning Balance, (in shares) at Oct. 25, 2015		1,160			793
Beginning Balance at Oct. 25, 2015	$ 7,613	$ 11	$ 6,575	$ 13,967	$ (12,848)	$ (92)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,111			1,111
Other comprehensive income, net of tax	5					5
Dividends	(328)			(328)
Share-based compensation	150		150
Issuance under stock plans, net of a tax benefit and other, (in shares)		11
Issuance under stock plans, net of a tax benefit and other	$ (11)		(11)
Common stock repurchases (in shares)	(90)	(90)			(90)
Common stock repurchases	$ (1,721)	$ 0			$ (1,721)
Ending Balance, (in shares) at Jul. 31, 2016		1,081			883
Ending Balance at Jul. 31, 2016	6,819	$ 11	6,714	14,750	$ (14,569)	(87)
Beginning Balance, (in shares) at Oct. 30, 2016		1,078			889
Beginning Balance at Oct. 30, 2016	7,217	$ 11	6,809	15,252	$ (14,740)	(115)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,452			2,452
Other comprehensive income, net of tax	14					14
Dividends	(321)			(321)
Share-based compensation	162		162
Issuance under stock plans, net of a tax benefit and other, (in shares)		8
Issuance under stock plans, net of a tax benefit and other	$ (21)		(21)
Common stock repurchases (in shares)	(20)	(20)			(20)
Common stock repurchases	$ (787)	$ 0			$ (787)
Ending Balance, (in shares) at Jul. 30, 2017		1,066			909
Ending Balance at Jul. 30, 2017	$ 8,716	$ 11	$ 6,950	$ 17,383	$ (15,527)	$ (101)