Leases - Lessee Operating and Financing Lease Maturity (Details) $ in Millions	Oct. 31, 2020 USD ($)
Finance Leases
2021	$ 1
2022	1
2023	0
2024	0
2025	0
Thereafter	0
Total lease payments	2
Less: Present value discount	0
Total lease liabilities	2
Operating Leases
2021	35
2022	30
2023	23
2024	17
2025	10
Thereafter	23
Total lease payments	138
Less: Present value discount	16
Total lease liabilities	$ 122

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977