Retirement and Post-Retirement Benefit Plans - Schedule of Estimated Future Benefits Payments for Retirement and Post-Retirement Plans (Details) $ in Millions	Oct. 31, 2018 USD ($)
Post-Retirement Benefit Plans
Fiscal year
2019	$ 44
2020	40
2021	37
2022	34
2023	32
Next five fiscal years to October 31, 2028	155
U.S. \| Defined Benefit Plans
Fiscal year
2019	687
2020	644
2021	664
2022	687
2023	719
Next five fiscal years to October 31, 2028	3,758
Non-U.S. \| Defined Benefit Plans
Fiscal year
2019	42
2020	36
2021	42
2022	40
2023	43
Next five fiscal years to October 31, 2028	$ 298

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- Definition

Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

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