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SHORT-TERM DEBT Credit Facility (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Mar. 13, 2019	Apr. 30, 2020	Apr. 30, 2020	Apr. 30, 2019	May 26, 2020
Line of Credit Facility
Proceeds from Lines of Credit			$ 798	$ 0
Repayments of revolving credit facility			713	$ 0
Other Short-term loan facilities
Short-term loan facility		$ 500	500
Other Short-term Borrowings		0	0
Revolving Credit Facility [Member]
Line of Credit Facility
Initiation date of credit facility	Mar. 13, 2019
Expiration date of credit facility	Mar. 13, 2024
Proceeds from Lines of Credit		798
Repayments of revolving credit facility		713
Credit faciity terms (in years)	five
Maximum borrowing capacity of credit facility	$ 1,000
Amount outstanding on credit facility		200	200
Short-term Debt [Member]
Other Short-term loan facilities
Other Short-Term Maximum Borrowing Capacity		$ 500	$ 500
Commercial Paper | Subsequent Event [Member]
Other Short-term loan facilities
Other Short-Term Maximum Borrowing Capacity					$ 1,000

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- Definition

Maximum Borrowing Capacity.

+ References

No definition available.

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- References

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
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- Definition

Fair value of the amount outstanding under the credit facility.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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- Definition

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

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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

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- Definition

Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

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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

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