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. 28, 2018		967			1,019
Beginning Balance at Oct. 28, 2018	$ 6,845	$ 10	$ 7,274	$ 20,880	$ (21,194)	$ (125)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	771			771
Other comprehensive income (loss), net of tax	(12)					(12)
Dividends declared	(189)			(189)
Share-based compensation	65		65
Issuance under stock plans (in shares)		4
Issuance under stock plans	$ (74)		(74)
Common stock repurchases (in shares)	(22)	(22)			(22)
Common stock repurchases	$ (750)	$ (1)			$ (749)
Ending Balance, (in shares) at Jan. 27, 2019		949			1,041
Ending Balance at Jan. 27, 2019	8,209	$ 9	7,265	23,032	$ (21,943)	(154)
Beginning Balance, (in shares) at Oct. 27, 2019		916			1,079
Beginning Balance at Oct. 27, 2019	8,214	$ 9	7,595	24,386	$ (23,596)	(180)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	892			892
Other comprehensive income (loss), net of tax	(8)					(8)
Dividends declared	(193)			(193)
Share-based compensation	93		93
Issuance under stock plans (in shares)		6
Issuance under stock plans	$ (138)		(138)
Common stock repurchases (in shares)	(3)	(3)			(3)
Common stock repurchases	$ (200)				$ (200)
Ending Balance, (in shares) at Jan. 26, 2020		919			1,082
Ending Balance at Jan. 26, 2020	$ 8,660	$ 9	$ 7,550	$ 25,085	$ (23,796)	$ (188)