Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Changes in Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 26, 2025	Jan. 28, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 19,001	$ 16,349
Other comprehensive income (loss) before reclassifications	19	51
Amounts reclassified out of AOCI	6	0
Other comprehensive income (loss), net of tax	25	51
Ending Balance	18,625	17,429
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(168)	(217)
Other comprehensive income (loss), net of tax	25	51
Ending Balance	(143)	(166)
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(7)	(50)
Other comprehensive income (loss) before reclassifications	(2)	20
Amounts reclassified out of AOCI	(1)	7
Other comprehensive income (loss), net of tax	(3)	27
Ending Balance	(10)	(23)
Unrealized Gain (Loss) on Derivative Instruments Qualifying as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(87)	(118)
Other comprehensive income (loss) before reclassifications	21	31
Amounts reclassified out of AOCI	7	2
Other comprehensive income (loss), net of tax	28	33
Ending Balance	(59)	(85)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(87)	(62)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified out of AOCI	0	(9)
Other comprehensive income (loss), net of tax	0	(9)
Ending Balance	(87)	(71)
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