Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 25, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 286	$ 348
Other comprehensive loss, net of tax:
Change in unrealized net gain on investments	1	(1)
Change in unrealized net loss on derivative instruments	(3)	1
Change in cumulative translation adjustments	0	(1)
Other comprehensive loss, net of tax	(2)	(1)
Comprehensive income	$ 284	$ 347