Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Changes in Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 02, 2021	Apr. 26, 2020	May 02, 2021	Apr. 26, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 11,473	$ 8,660	$ 10,578	$ 8,214
Other comprehensive income (loss) before reclassifications			6	(132)
Amounts reclassified out of AOCI			3	(3)
Other comprehensive income (loss), net of tax	7	(127)	9	(135)
Ending Balance	11,993	9,024	11,993	9,024
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			20	11
Other comprehensive income (loss) before reclassifications			(6)	5
Amounts reclassified out of AOCI			(4)	(4)
Other comprehensive income (loss), net of tax			(10)	1
Ending Balance	10	12	10	12
Unrealized Gain (Loss) on Derivative Instruments Qualifying as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(133)	(16)
Other comprehensive income (loss) before reclassifications			12	(137)
Amounts reclassified out of AOCI			7	1
Other comprehensive income (loss), net of tax			19	(136)
Ending Balance	(114)	(152)	(114)	(152)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(199)	(188)
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassified out of AOCI			0	0
Other comprehensive income (loss), net of tax			0	0
Ending Balance	(199)	(188)	(199)	(188)
Cumulative Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			13	13
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassified out of AOCI			0	0
Other comprehensive income (loss), net of tax			0	0
Ending Balance	13	13	13	13
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(297)	(188)	(299)	(180)
Other comprehensive income (loss), net of tax	7	(127)	9	(135)
Ending Balance	$ (290)	$ (315)	$ (290)	$ (315)