Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Changes in Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	May 01, 2022	Apr. 30, 2023	May 01, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 13,420	$ 11,890	$ 12,194	$ 12,247
Other comprehensive income (loss) before reclassifications			(17)	8
Amounts reclassified out of AOCI			(16)	(23)
Other comprehensive income (loss), net of tax	0	3	(33)	(15)
Ending Balance	14,129	11,579	14,129	11,579
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(75)	(1)
Other comprehensive income (loss) before reclassifications			20	(38)
Amounts reclassified out of AOCI			8	(10)
Other comprehensive income (loss), net of tax			28	(48)
Ending Balance	(47)	(49)	(47)	(49)
Unrealized Gain (Loss) on Derivative Instruments Qualifying as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(52)	(103)
Other comprehensive income (loss) before reclassifications			(37)	46
Amounts reclassified out of AOCI			(24)	(13)
Other comprehensive income (loss), net of tax			(61)	33
Ending Balance	(113)	(70)	(113)	(70)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance			(88)	(169)
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	(88)	(169)	(88)	(169)
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	(235)	(278)	(202)	(260)
Other comprehensive income (loss), net of tax		3	(33)	(15)
Ending Balance	$ (235)	$ (275)	$ (235)	$ (275)