Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Changes in Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 25, 2026	Jan. 26, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 20,415	$ 19,001
Other comprehensive income (loss) before reclassifications	7	19
Amounts reclassified out of AOCI	(7)	6
Other comprehensive income (loss), net of tax	0	25
Ending Balance	21,717	18,625
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(110)	(168)
Other comprehensive income (loss), net of tax		25
Ending Balance	(110)	(143)
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	11	(7)
Other comprehensive income (loss) before reclassifications	(4)	(2)
Amounts reclassified out of AOCI	(1)	(1)
Other comprehensive income (loss), net of tax	(5)	(3)
Ending Balance	6	(10)
Unrealized Gain (Loss) on Derivative Instruments Qualifying as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(34)	(87)
Other comprehensive income (loss) before reclassifications	11	21
Amounts reclassified out of AOCI	(6)	7
Other comprehensive income (loss), net of tax	5	28
Ending Balance	(29)	(59)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(100)	(87)
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	(100)	(87)
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