Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Oct. 25, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 3,434	$ 1,721	$ 1,377
Other comprehensive income (loss), net of tax:
Change in unrealized net gain on investments	23	16	(10)
Change in unrealized net loss on derivative instruments	7	(3)	(15)
Change in defined and postretirement benefit plans	21	(36)	0
Change in cumulative translation adjustments	0	0	9
Other comprehensive income (loss), net of tax	51	(23)	(16)
Comprehensive income	$ 3,485	$ 1,698	$ 1,361