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SHORT-TERM DEBT - Credit Facility (Details) - USD ($)		9 Months Ended
	Mar. 13, 2019	Jul. 31, 2022	Jul. 31, 2021	Jun. 18, 2021	Apr. 21, 2021
Short-term Debt
Repayments of commercial paper		$ (760,000,000)	$ (1,437,000,000)
Proceeds from Commercial Paper		940,000,000	$ 1,492,000,000
Line of Credit [Member] | 5 yr Unsecured Credit Facility
Short-term Debt
Initiation date of credit facility	Mar. 13, 2019
Maximum borrowing capacity of credit facility	$ 1,000,000,000				$ 1,350,000,000
Credit faciity terms (in years)	five
Expiration date of credit facility	Mar. 13, 2024
Amount outstanding on credit facility		0
Line of Credit [Member] | Additional Incremental Term Loan Facility
Short-term Debt
Maximum borrowing capacity of credit facility	$ 500,000,000				$ 500,000,000
Amount outstanding on credit facility		0
Line of Credit [Member] | Commercial Paper
Short-term Debt
Maximum borrowing capacity of credit facility				$ 1,350,000,000
Amount outstanding on credit facility		$ 180,000,000
Weighted Average Interest Rate, at Point in Time		2.43%

X

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

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- Definition

Date the credit facility first became available, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

The cash inflow from borrowing by issuing commercial paper.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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The cash outflow due to repaying amounts borrowed by issuing commercial paper.

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No definition available.

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Description of the short-term debt arrangement, and disclosures pertaining to the underlying arrangements, including repayment terms, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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