Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Changes in Components of AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 26, 2025	Oct. 27, 2024	Oct. 29, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 19,001	$ 16,349	$ 12,194
Other comprehensive income (loss) before reclassifications	75	62	(11)
Amounts reclassified out of AOCI	(17)	(13)	(4)
Other comprehensive income (loss), net of tax	58	49	(15)
Ending Balance	20,415	19,001	16,349
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(168)	(217)	(202)
Other comprehensive income (loss), net of tax	58	49	(15)
Ending Balance	(110)	(168)	(217)
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(7)	(50)	(75)
Other comprehensive income (loss) before reclassifications	17	34	16
Amounts reclassified out of AOCI	1	9	9
Other comprehensive income (loss), net of tax	18	43	25
Ending Balance	11	(7)	(50)
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)	(52)
Other comprehensive income (loss) before reclassifications	58	28	(44)
Amounts reclassified out of AOCI	(5)	3	(22)
Other comprehensive income (loss), net of tax	53	31	(66)
Ending Balance	(34)	(87)	(118)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(87)	(62)	(88)
Other comprehensive income (loss) before reclassifications	0	0	17
Amounts reclassified out of AOCI	(13)	(25)	9
Other comprehensive income (loss), net of tax	(13)	(25)	26
Ending Balance	(100)	(87)	(62)
Cumulative Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	13	13	13
Other comprehensive income (loss) before reclassifications	0	0	0
Amounts reclassified out of AOCI	0	0	0
Other comprehensive income (loss), net of tax	0	0	0
Ending Balance	$ 13	$ 13	$ 13