Derivative, Notional Amount, Percent of Required Need, Coverage

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- Definition

Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions.

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- Definition

Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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- 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.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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- Definition

Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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- Definition

Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge.

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Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Derivative [Line Items]
Net (losses) gains on derivative instruments		$ (14,000,000)	$ 16,000,000	$ 64,000,000
Pre-tax net losses associated with interest rate hedges		6,000,000
Pre-tax (losses) gains associated with net investment hedges		(39,000,000)	(57,000,000)	$ 123,000,000
Maximum amount of loss		140,000,000
Cash collateral received		14,000,000	40,000,000
IRPA
Derivative [Line Items]
Derivative, notional amount		$ 0	$ 0
Foreign Exchange Forward
Derivative [Line Items]
Potential exposure coverage, percent (as a percentage)		90.00%
Revolver \| Line of Credit
Derivative [Line Items]
Net (losses) gains on derivative instruments	$ 32,000,000