Stockholders' Equity, Comprehensive Income and Share-Based Compensation (Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 28, 2018	Oct. 29, 2017	Oct. 30, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance		$ 9,349	$ 7,217	$ 7,613
Adoption of new accounting standard	[1]		0
Other comprehensive income (loss) before reclassifications		(84)	66	(61)
Amounts reclassified out of AOCI		20	(15)	38
Other comprehensive income (loss), net of tax		(64)	51	(23)
Ending Balance		6,839	9,349	7,217
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance		53	30	14
Adoption of new accounting standard			5
Other comprehensive income (loss) before reclassifications		(66)	24	14
Amounts reclassified out of AOCI		15	(1)	2
Other comprehensive income (loss), net of tax		(51)	23	16
Ending Balance		7	53	30
Unrealized Gain (Loss) on Derivative Instruments Qualifying as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance		(11)	(18)	(15)
Adoption of new accounting standard			(2)
Other comprehensive income (loss) before reclassifications		5	13	(33)
Amounts reclassified out of AOCI		(1)	(6)	30
Other comprehensive income (loss), net of tax		4	7	(3)
Ending Balance		(9)	(11)	(18)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance		(120)	(141)	(105)
Adoption of new accounting standard			0
Other comprehensive income (loss) before reclassifications		(23)	29	(42)
Amounts reclassified out of AOCI		6	(8)	6
Other comprehensive income (loss), net of tax		(17)	21	(36)
Ending Balance		(137)	(120)	(141)
Cumulative Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance		14	14	14
Adoption of new accounting standard			0
Other comprehensive income (loss) before reclassifications		0	0	0
Amounts reclassified out of AOCI		0	0	0
Other comprehensive income (loss), net of tax		0	0	0
Ending Balance		14	14	14
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance		(64)	(115)	(92)
Adoption of new accounting standard	[1]		3
Other comprehensive income (loss), net of tax		(64)	51	(23)
Ending Balance		$ (125)	$ (64)	$ (115)

[1] Represents the reclassification adjustment related to the early adoption of Accounting Standards Update (ASU) 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. See Note 1.