Stockholders' Equity, Comprehensive Income and Share-Based Compensation - Changes in Components of AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 27, 2024	Oct. 29, 2023	Oct. 30, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 16,349	$ 12,194	$ 12,247
Other comprehensive income (loss) before reclassifications	62	(11)	111
Amounts reclassified out of AOCI	(13)	(4)	(53)
Other comprehensive income (loss), net of tax	49	(15)	58
Ending Balance	19,001	16,349	12,194
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(217)	(202)	(260)
Other comprehensive income (loss), net of tax	49	(15)	58
Ending Balance	(168)	(217)	(202)
Unrealized Gain (Loss) on Investments, Net
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(50)	(75)	(1)
Other comprehensive income (loss) before reclassifications	34	16	(60)
Amounts reclassified out of AOCI	9	9	(14)
Other comprehensive income (loss), net of tax	43	25	(74)
Ending Balance	(7)	(50)	(75)
Unrealized Gain (Loss) on Derivative Instruments Qualifying as Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(118)	(52)	(103)
Other comprehensive income (loss) before reclassifications	28	(44)	100
Amounts reclassified out of AOCI	3	(22)	(49)
Other comprehensive income (loss), net of tax	31	(66)	51
Ending Balance	(87)	(118)	(52)
Defined and Postretirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(62)	(88)	(169)
Other comprehensive income (loss) before reclassifications	0	17	71
Amounts reclassified out of AOCI	(25)	9	10
Other comprehensive income (loss), net of tax	(25)	26	81
Ending Balance	(87)	(62)	(88)
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