Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
Oct. 28, 2018	Oct. 29, 2017	Oct. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 3,313	$ 3,434	$ 1,721
Other comprehensive income (loss), net of tax:
Change in unrealized net gain on investments	(51)	23	16
Change in unrealized net loss on derivative instruments	4	7	(3)
Change in defined and postretirement benefit plans	(17)	21	(36)
Other comprehensive income (loss), net of tax	(64)	51	(23)
Comprehensive income	$ 3,249	$ 3,485	$ 1,698

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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