Payment of accrued and unpaid interest on early redemption of senior notes.

No definition available.

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Namespace Prefix:	a_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Proceeds obtained expressed as a percentage of debt instrument face value.

+ References

No definition available.

+ Details

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Namespace Prefix:	a_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

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LONG-TERM DEBT - Text (Details) - USD ($) $ in Millions					3 Months Ended	6 Months Ended
LONG-TERM DEBT - Text (Details) - USD ($) $ in Millions	Apr. 05, 2021	Mar. 12, 2021	Jan. 21, 2021	Sep. 13, 2012	Apr. 30, 2021	Apr. 30, 2021	Apr. 30, 2020
Debt Instrument
Early Repayment of Senior Debt						$ 417	$ 0
Loss on extinguishment of debt						17	$ 0
Senior Notes 2022
Debt Instrument
Issuance date of debt				Sep. 13, 2012
Aggregate face amount of debt				$ 400
Percentage Of Face Amount Of Senior Note Instrument Issued				99.80%
Maturity date of debt				Oct. 01, 2022
Fixed interest rate per annum				3.20%
Debt interest payment frequency				semi-annually
Date interest payment commenced				Apr. 01, 2013
Repayments of Senior Debt	$ 300		$ 100
Early Repayment of Senior Debt						417
Loss on extinguishment of debt					$ 12	17
Payment of accrued and unpaid interest						$ 1
Senior Notes 2031
Debt Instrument
Issuance date of debt		Mar. 12, 2021
Aggregate face amount of debt		$ 850
Percentage Of Face Amount Of Senior Note Instrument Issued		99.822%
Maturity date of debt		Mar. 12, 2031
Fixed interest rate per annum		2.30%
Date interest payment commenced		Sep. 12, 2021