Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 26, 2015	Jul. 31, 2016	Jul. 26, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 505	$ 329	$ 1,111	$ 1,041
Other comprehensive income (loss), net of tax:
Change in unrealized net gain on investments	17	1	21	(3)
Change in unrealized net loss on derivative instruments	(9)	(5)	(16)	(5)
Change in defined and postretirement benefit plans	0	0	0	(43)
Change in cumulative translation adjustments	0	11	0	9
Other comprehensive income (loss), net of tax	8	7	5	(42)
Comprehensive income	$ 513	$ 336	$ 1,116	$ 999