Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Jan. 29, 2017	Jan. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 703	$ 286
Other comprehensive income (loss), net of tax:
Change in unrealized net gain on investments	1	1
Change in unrealized net loss on derivative instruments	15	(3)
Change in defined and postretirement benefit plans	(7)	0
Other comprehensive income (loss), net of tax	9	(2)
Comprehensive income	$ 712	$ 284