Retirement and Post-Retirement Benefit Plans - Schedule of Fair Value of Plan Assets by Asset Category (Details) - USD ($) $ in Millions	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Post-Retirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	$ 380	$ 383
Investments using NAV as a Practical Expedient	2	0
Investments at fair value	382	383	$ 457
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	214
Post-Retirement Benefit Plans | Government
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	100	108
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
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 103-12 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	67	68
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	(1)	(5)
Post-Retirement Benefit Plans | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	0	(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	66	61
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
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 103-12 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	67	68
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	(1)	(5)
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	0	(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	314	322
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	214
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	100	108
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
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 103-12 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	0
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
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 103-12 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	2,918	3,031
Investments using NAV as a Practical Expedient	935	1,139
Investments at fair value	3,853	4,170	6,060
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	29	51
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	1,855	1,949
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	1,208	1,418
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
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 103-12 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	10	13
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	72	94
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	(256)	(494)
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	(57)	(197)
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	1	14
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
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 103-12 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	10	13
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	41	40
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	(109)	(264)
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	2,975	3,228
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	28	37
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	1,855	1,949
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	1,208	1,418
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
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 103-12 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	31	54
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	(147)	(230)
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
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 103-12 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	650	624
Investments using NAV as a Practical Expedient	309	283
Investments at fair value	959	907	$ 1,211
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	100	89
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	17	13
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	55	43
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
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	67	72
Non-U.S. | Defined Benefit Plans | Common collective trusts and 103-12 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	8	7
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	292	260
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	22	37
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	89	86
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	29	56
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	8	7
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
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 103-12 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	21	37
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	0	11
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	621	568
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	92	82
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	17	13
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	55	43
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
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	67	72
Non-U.S. | Defined Benefit Plans | Level 2 | Common collective trusts and 103-12 investment entities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net plan assets subject to leveling	8	7
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	292	260
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	1	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	89	75
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
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 103-12 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