Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Changes in Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Jul. 31, 2022	Aug. 01, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 11,579	$ 11,993	$ 12,247	$ 10,578
Other comprehensive income (loss) before reclassifications			37	7
Amounts reclassified out of AOCI			(36)	0
Other comprehensive income (loss), net of tax	16	(2)	1	7
Ending Balance	12,070	12,060	12,070	12,060
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(1)	20
Other comprehensive income (loss) before reclassifications			(36)	(7)
Amounts reclassified out of AOCI			(9)	(4)
Other comprehensive income (loss), net of tax			(45)	(11)
Ending Balance	(46)	9	(46)	9
Unrealized Gain (Loss) on Derivative Instruments Qualifying as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(103)	(133)
Other comprehensive income (loss) before reclassifications			73	14
Amounts reclassified out of AOCI			(27)	4
Other comprehensive income (loss), net of tax			46	18
Ending Balance	(57)	(115)	(57)	(115)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(169)	(199)
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	(169)	(199)	(169)	(199)
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	(275)	(290)	(260)	(299)
Other comprehensive income (loss), net of tax	16	(2)	1	7
Ending Balance	$ (259)	$ (292)	$ (259)	$ (292)