Restructuring and Other Charges - Schedule of Restructuring Plans (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jul. 31, 2023	Jul. 31, 2023	Jul. 31, 2022
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period		$ 32	$ 90
Charges	$ 50	359	136
Cash payments		(187)	(170)
Non-cash and other adjustments		(143)	(36)
Accrued balance, end of the period	61	61	20
Total costs incurred to date	1,224	1,224
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	49	49
Other non-current liabilities	12	12
Fiscal 2023 Plan | Severance and EER
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period		0	0
Charges	24	318	0
Cash payments		(135)	0
Non-cash and other adjustments		(141)	0
Accrued balance, end of the period	42	42	0
Total costs incurred to date	318	318
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	42	42
Other non-current liabilities	0	0
Fiscal 2023 Plan | Non-labor
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period		0	0
Charges	25	38	0
Cash payments		(15)	0
Non-cash and other adjustments		(5)	0
Accrued balance, end of the period	18	18	0
Total costs incurred to date	38	38
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	6	6
Other non-current liabilities	12	12
Fiscal 2023 Plan | Special Termination Benefits
Restructuring Reserve [Roll Forward]
Charges		105
Non-cash and other adjustments		139
Other prior-year plans
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of the period		32	90
Charges	1	3	136
Cash payments		(37)	(170)
Non-cash and other adjustments		3	(36)
Accrued balance, end of the period	1	1	$ 20
Total costs incurred to date	868	868
Reflected in Consolidated Condensed Balance Sheets
Other current liabilities	1	1
Other non-current liabilities	$ 0	$ 0