Restructuring and Other Charges - Summary of Restructuring Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	$ 90	$ 77	$ 142
Charges	193	229	367
Cash payments	(217)	(182)	(381)
Non-cash and other adjustments	(34)	(34)	(51)
Accrued balance, end of period	32	90	77
Total costs incurred to date	1,369
Other current liabilities	32
Fiscal 2020 Plan | Severance and EER
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	90	65	76
Charges	116	187	356
Cash payments	(176)	(159)	(319)
Non-cash and other adjustments	2	(3)	(48)
Accrued balance, end of period	32	90	65
Total costs incurred to date	740
Other current liabilities	32
Fiscal 2020 Plan | Non-labor
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	0	0	0
Charges	77	38	10
Cash payments	(40)	(7)	(10)
Non-cash and other adjustments	(37)	(31)	0
Accrued balance, end of period	0	0	0
Total costs incurred to date	125
Other current liabilities	0
Fiscal 2020 Plan | EER
Restructuring Reserve [Roll Forward]
Non-cash and other adjustments			(44)
Other prior year plans
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	0	12	66
Charges	0	4	1
Cash payments	(1)	(16)	(52)
Non-cash and other adjustments	1	0	(3)
Accrued balance, end of period	0	$ 0	$ 12
Total costs incurred to date	504
Other current liabilities	$ 0