Consolidated Condensed Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance, Shares at Oct. 26, 2014		1,221			717
Beginning Balance at Oct. 26, 2014	$ 7,868	$ 12	$ 6,384	$ 13,072	$ (11,524)	$ (76)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	348			348
Other comprehensive loss, net of tax	(1)					(1)
Dividends	(123)			(123)
Share-based compensation	48		48
Issuance under stock plans, net of a tax benefit and other	(68)		(68)
Issuance under stock plans, net of a tax benefit and other, Shares		8
Ending Balance, Shares at Jan. 25, 2015		1,229			717
Ending Balance at Jan. 25, 2015	8,072	$ 12	6,364	13,297	$ (11,524)	(77)
Beginning Balance, 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	286			286
Other comprehensive loss, net of tax	(2)					(2)
Dividends	(111)			(111)
Share-based compensation	54		54
Issuance under stock plans, net of a tax benefit and other	(47)		(47)
Issuance under stock plans, net of a tax benefit and other, Shares		6
Common stock repurchases (in shares)		(35)			35
Common stock repurchases	(625)				$ (625)
Ending Balance, Shares at Jan. 31, 2016		1,131			828
Ending Balance at Jan. 31, 2016	$ 7,168	$ 11	$ 6,582	$ 14,142	$ (13,473)	$ (94)