Restructuring and Other Charges - Summary of Cost Saving Plan Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period	$ 32	$ 75
Charges	131	67
Cash payments	(82)	(98)
Non-cash and other adjustments	(6)	(7)
Accrued balance, beginning of the period	75	37
Total costs incurred to date	996
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	75
Fiscal 2023 Plan | Severance
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period	0	0
Charges	122	0
Cash payments	(53)	0
Non-cash and other adjustments	(2)	0
Accrued balance, beginning of the period	67	0
Total costs incurred to date	122
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	67
Fiscal 2023 Plan | Non-labor
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period	0	0
Charges	9	0
Cash payments	(4)	0
Non-cash and other adjustments	(5)	0
Accrued balance, beginning of the period	0	0
Total costs incurred to date	9
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	0
Other prior-year Plans
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period	32	75
Charges	0	67
Cash payments	(25)	(98)
Non-cash and other adjustments	1	(7)
Accrued balance, beginning of the period	8	$ 37
Total costs incurred to date	865
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	$ 8