Stockholders' Deficit - Schedule of Changes and Reclassifications Related to Other Comprehensive Income, Net of Taxes Footnotes (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net revenue	$ 14,517	$ 12,684
Cost of revenue	11,935	10,436
Interest and other, net	(68)	(81)
Net earnings	1,938	611
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	52	(76)
Cost of revenue	18	0
Interest and other, net	0	5
Net earnings	$ 70	$ (71)