Industry Segment Operations (Reconciliations of Total Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 26, 2015	Jul. 27, 2014	Jul. 26, 2015	Jul. 27, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	$ 396	$ 391	$ 1,270	$ 1,108
Total segment operating income [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	554	584	1,661	1,608
Corporate and unallocated costs [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	(154)	(160)	(430)	(441)
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	(1)	(23)	(50)	(50)
(Loss) gain on derivatives associated with terminated business combination [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from operations	$ (3)	$ (10)	$ 89	$ (9)