Percentage Of Foreign Exchange Rate Exposure Hedged Maximum

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Percentage Of Foreign Exchange Rate Exposure Hedged Minimum

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Nominal or face amount used to calculate payments on the derivative asset.

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

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Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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Amount of gain (loss) from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method.

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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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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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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) € in Millions	12 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2024 CNY (¥)	Aug. 30, 2024 USD ($)	Aug. 30, 2024 EUR (€)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 CNY (¥)	Mar. 31, 2024 USD ($)	Mar. 31, 2024 CNY (¥)	Oct. 31, 2023	Mar. 31, 2023 USD ($)	Mar. 31, 2023 CNY (¥)	Sep. 30, 2022 CNY (¥)
Derivative [Line Items]
Percentage of foreign exchange rate exposure hedged, minimum	70.00%			70.00%
Percentage of foreign exchange rate exposure hedged, maximum	90.00%			90.00%
Cash collateral received	$ 0	$ 0
Cash collateral pledged	0	0
Pretax loss on cash flow hedges	23,000,000
Foreign currency exchange derivatives \| Net investment hedging
Derivative [Line Items]
Effective portion of pretax gains (loss) related to net investment hedges	(5,000,000)	(67,000,000)	$ 151,000,000
Gains (losses) reclassified into income for net investment hedges	0	0	0
Foreign currency exchange derivatives \| Cash flow hedging
Derivative [Line Items]
Gain (loss) for ineffective portion of cash flow hedge	0	0	0
China \| Cross-currency interest rate swaps \| Net investment hedging
Derivative [Line Items]
Notional value of derivative asset	17,000,000		$ 23,000,000	¥ 120,000,000			$ 78,000,000	¥ 570,000,000	$ 96,000,000	¥ 685,000,000		$ 35,000,000	¥ 240,000,000	¥ 150,000,000
3.50% Notes due in 2024 \| Unsecured debt
Derivative [Line Items]
Long-term debt, gross	$ 0	$ 130,000,000			$ 132,000,000	€ 123
Interest rate	3.50%	3.50%		3.50%							3.50%