Industry Segment Operations (Reconciliations of Total Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May. 01, 2016	Apr. 26, 2015	May. 01, 2016	Apr. 26, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	$ 425	$ 416	$ 779	$ 874
Total segment operating income [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	564	579	1,029	1,107
Corporate and unallocated costs [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	(139)	(148)	(250)	(276)
Certain items associated with terminated business combination [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	0	(29)	0	(49)
Gain (loss) recognized on income [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	$ 0	$ 14	$ 0	$ 92