Derivatives, Number Of Matured Contracts

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- Definition

Percentage Of Foreign Exchange Rate Exposure Hedged Maximum

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Percentage Of Foreign Exchange Rate Exposure Hedged Minimum

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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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- 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

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

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- Definition

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

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- Definition

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

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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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- Definition

The number of derivative instruments of a particular group held by the entity.

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- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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- Definition

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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- Definition

The net cash outflow or inflow associated with the acquisition or sale of a business segment during the period.

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Derivative Instruments and Hedging Activities - Narrative (Details) € in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($) instrument contract	Dec. 31, 2021 USD ($)	Sep. 30, 2022 USD ($) instrument	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2022 EUR (€) instrument	Mar. 31, 2022 USD ($)	Mar. 31, 2022 CNY (¥)	Apr. 30, 2021 USD ($) segment	Apr. 30, 2021 CNY (¥) segment
Derivative [Line Items]
Percentage of foreign exchange rate exposure hedged, minimum	70.00%		70.00%			70.00%
Percentage of foreign exchange rate exposure hedged, maximum	90.00%		90.00%			90.00%
Notional value of derivative liability									$ 1,123,000,000	¥ 7,482,000,000
Number of instruments \| segment									2	2
Number of matured contracts \| contract	1
Derivative loss			$ 3,000,000	$ 30,000,000	$ 0
Cash collateral pledged	$ 0		0	0
Cash collateral received	$ 0		$ 0	0
Interest rate cap
Derivative [Line Items]
Number of instruments \| instrument	0		0			0
Contract One \| Adient
Derivative [Line Items]
Net cash payment		$ 14,000,000
Contract Two
Derivative [Line Items]
Derivative loss				(14,000,000)
Unrealized loss on derivatives				16,000,000
Cash flow hedging
Derivative [Line Items]
Gain (loss) for ineffective portion of cash flow hedge				(2,000,000)
Cash flow hedging \| Foreign currency exchange derivatives
Derivative [Line Items]
Gain (loss) for ineffective portion of cash flow hedge			$ 0		0
Net investment hedging \| Foreign currency exchange derivatives
Derivative [Line Items]
Effective portion of pretax gains (loss) related to net investment hedges			151,000,000	17,000,000	(84,000,000)
Gains (losses) reclassified into income for net investment hedges			$ 0	$ 0	$ 0
Net investment hedging \| Japan \| Cross-currency interest rate swaps
Derivative [Line Items]
Number of instruments \| instrument	0		0			0
Net investment hedging \| China \| Cross-currency interest rate swaps
Derivative [Line Items]
Notional value of derivative asset							$ 23,000,000	¥ 150,000,000
Derivatives and Hedging Activities Designated as Hedging Instruments under ASC 815
Derivative [Line Items]
Notional value of derivative liability	$ 809,000,000		$ 809,000,000			€ 823
Interest rate	3.50%		3.50%			3.50%