Stockholders' Deficit - Schedule of Changes and Reclassifications Related to Other Comprehensive Income, Net of Taxes Footnotes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net revenue	$ 13,060	$ 11,892	$ 38,129	$ 35,726
Cost of revenue	10,633	9,720	31,071	29,019
Interest and other, net	(56)	(36)	(201)	(135)
Net earnings	696	783	1,866	2,004
Net unrealized gains (losses) on cash flow hedges | Reclassifications of losses (gains) into earnings
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net revenue	26	140	(89)	(26)
Cost of revenue	13	18	32	90
Operating expenses	(1)	(1)	(1)	(1)
Interest and other, net	0	2	9	0
Net earnings	$ 38	$ 159	$ (49)	$ 63