Retirement and Post-Retirement Benefit Plans - Schedule of Fair Value of Plan Assets by Asset Category (Details) - USD ($) $ in Millions	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Post-Retirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	$ 383	$ 450
Investments using NAV as a Practical Expedient	0	7
Investments at fair value	383	457	$ 481
Post-Retirement Benefit Plans | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	214	256
Post-Retirement Benefit Plans | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	108	122
Post-Retirement Benefit Plans | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	68	64
Post-Retirement Benefit Plans | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(5)	10
Post-Retirement Benefit Plans | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(2)	(2)
Post-Retirement Benefit Plans | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	61	71
Post-Retirement Benefit Plans | Level 1 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 1 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 1 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 1 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 1 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 1 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 1 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	68	64
Post-Retirement Benefit Plans | Level 1 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(5)	9
Post-Retirement Benefit Plans | Level 1 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(2)	(2)
Post-Retirement Benefit Plans | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	322	379
Post-Retirement Benefit Plans | Level 2 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 2 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	214	256
Post-Retirement Benefit Plans | Level 2 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	108	122
Post-Retirement Benefit Plans | Level 2 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 2 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 2 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 2 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling		0
Post-Retirement Benefit Plans | Level 2 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	1
Post-Retirement Benefit Plans | Level 2 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling		0
Post-Retirement Benefit Plans | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Post-Retirement Benefit Plans | Level 3 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	3,031	3,762
Investments using NAV as a Practical Expedient	1,176	2,298
Investments at fair value	4,207	6,060	10,463
U.S. | Defined Benefit Plans | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	51	61
U.S. | Defined Benefit Plans | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	1,949	2,620
U.S. | Defined Benefit Plans | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	1,418	1,931
U.S. | Defined Benefit Plans | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	13	53
U.S. | Defined Benefit Plans | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	94	68
U.S. | Defined Benefit Plans | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(494)	(971)
U.S. | Defined Benefit Plans | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(197)	(358)
U.S. | Defined Benefit Plans | Level 1 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	14	11
U.S. | Defined Benefit Plans | Level 1 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 1 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 1 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 1 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 1 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 1 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	13	53
U.S. | Defined Benefit Plans | Level 1 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	40	34
U.S. | Defined Benefit Plans | Level 1 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(264)	(456)
U.S. | Defined Benefit Plans | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	3,228	4,120
U.S. | Defined Benefit Plans | Level 2 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	37	50
U.S. | Defined Benefit Plans | Level 2 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	1,949	2,620
U.S. | Defined Benefit Plans | Level 2 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	1,418	1,931
U.S. | Defined Benefit Plans | Level 2 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 2 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 2 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 2 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 2 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	54	34
U.S. | Defined Benefit Plans | Level 2 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	(230)	(515)
U.S. | Defined Benefit Plans | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
U.S. | Defined Benefit Plans | Level 3 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	624	842
Investments using NAV as a Practical Expedient	283	369
Investments at fair value	907	1,211	$ 1,064
Non-U.S. | Defined Benefit Plans | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	89	110
Non-U.S. | Defined Benefit Plans | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	13	132
Non-U.S. | Defined Benefit Plans | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	43	5
Non-U.S. | Defined Benefit Plans | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	17	42
Non-U.S. | Defined Benefit Plans | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	72	94
Non-U.S. | Defined Benefit Plans | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	7	9
Non-U.S. | Defined Benefit Plans | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	260	388
Non-U.S. | Defined Benefit Plans | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	37	21
Non-U.S. | Defined Benefit Plans | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	86	41
Non-U.S. | Defined Benefit Plans | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	56	31
Non-U.S. | Defined Benefit Plans | Level 1 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	7	8
Non-U.S. | Defined Benefit Plans | Level 1 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 1 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 1 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	1	1
Non-U.S. | Defined Benefit Plans | Level 1 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 1 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 1 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 1 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	37	21
Non-U.S. | Defined Benefit Plans | Level 1 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	11	1
Non-U.S. | Defined Benefit Plans | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	568	811
Non-U.S. | Defined Benefit Plans | Level 2 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	82	102
Non-U.S. | Defined Benefit Plans | Level 2 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	13	132
Non-U.S. | Defined Benefit Plans | Level 2 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	43	5
Non-U.S. | Defined Benefit Plans | Level 2 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	16	41
Non-U.S. | Defined Benefit Plans | Level 2 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	72	94
Non-U.S. | Defined Benefit Plans | Level 2 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	7	9
Non-U.S. | Defined Benefit Plans | Level 2 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	260	388
Non-U.S. | Defined Benefit Plans | Level 2 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 2 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	75	40
Non-U.S. | Defined Benefit Plans | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Corporate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Real estate funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Insurance contracts
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Common collective trusts and 10312 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Investment funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	0
Non-U.S. | Defined Benefit Plans | Level 3 | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	$ 0	$ 0