Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

Sep. 30, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Fair Values of Derivative Instruments and Other Amounts

The following table presents the location and fair values of derivative instruments and other amounts used in hedging activities included in Adient's consolidated statements of financial position:

	Derivatives and Hedging Activities Designated as Hedging Instruments under ASC 815				Derivatives and Hedging Activities Not Designated as Hedging Instruments under ASC 815
	September 30,
(in millions)	2024		2023		2024		2023
Other current assets
Foreign currency exchange derivatives	$	9	$	30	$	6	$	4
Other noncurrent assets
Foreign currency exchange derivatives	1		—		2		—
Total assets	$	10	$	30	$	8	$	4
Other current liabilities
Foreign currency exchange derivatives	$	32	$	8	$	—	$	—
Other noncurrent liabilities
Foreign currency exchange derivatives	9		6		—		—
Long-term debt
Foreign currency denominated debt	—		130		—		—
Total liabilities	$	41	$	144	$	—	$	—

Schedule of Gross and Net Amounts of Derivative Instruments and Other Amounts

The gross and net amounts of derivative instruments and other amounts used in hedging activities are as follows:

	Assets				Liabilities
	September 30,
(in millions)	2024		2023		2024		2023
Gross amount recognized	$	18	$	34	$	41	$	144
Gross amount eligible for offsetting	(9)		(12)		(9)		(12)
Net amount	$	9	$	22	$	32	$	132

Schedule of Effective Portion of Pretax Gains (Losses)

The following table presents the effective portion of pretax gains (losses) recorded in other comprehensive income related to cash flow hedges:

	Year Ended September 30,
(in millions)	2024		2023		2022
Foreign currency exchange derivatives	$	(2)	$	89	$	8

The following table presents the location and amount of the effective portion of pretax gains (losses) on cash flow hedges reclassified from AOCI into Adient's consolidated statements of income:

(in millions)		Year Ended September 30,
		2024		2023		2022
Foreign currency exchange derivatives	Cost of sales	$	46	$	66	$	6

The following table presents the location and amount of pretax gains (losses) on fair value hedge activity in Adient's consolidated statements of income:

(in millions)		Year Ended September 30,
		2024		2023		2022
Foreign currency exchange derivatives	Net financing charges	$	1	$	—	$	—

The following table presents the location and amount of pretax gains (losses) on derivatives not designated as hedging instruments recognized in Adient's consolidated statements of income (loss):

(in millions)		Year Ended September 30,
		2024		2023		2022
Foreign currency exchange derivatives	Cost of sales	$	(8)	$	8	$	—
Foreign currency exchange derivatives	Net financing charges	22		(10)		(33)
Total		$	14	$	(2)	$	(33)