Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 30, 2017	Jul. 31, 2016	Jul. 30, 2017	Jul. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 925	$ 505	$ 2,452	$ 1,111
Other comprehensive income, net of tax:
Change in unrealized net gain on investments	10	17	25	21
Change in unrealized net loss on derivative instruments	1	(9)	1	(16)
Change in defined and postretirement benefit plans	(2)	0	(12)	0
Other comprehensive income, net of tax	9	8	14	5
Comprehensive income	$ 934	$ 513	$ 2,466	$ 1,116