v3.24.1.u1
Restructuring and Impairment Costs (Tables)
 6 Months Ended
Mar. 31, 2024
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve The following tables summarize the changes in Adient's restructuring reserve.
For the three months ended March 31, 2024:

(in millions)Employee Severance and Termination BenefitsCurrency
Translation		Total
Balance at December 31, 2023$58 $(4)$54 
2024 Plan charges127 — 127 
Utilized - cash(8)— (8)
Noncash and other adjustments(2)(2)(4)
Balance at March 31, 2024
$175 $(6)$169 
Current restructuring reserve - other current liabilities$64 
Noncurrent restructuring reserve - other noncurrent liabilities105 
Balance at March 31, 2024$169 

For the six months ended March 31, 2024:

(in millions)Employee Severance and Termination BenefitsCurrency
Translation		Total
Balance at September 30, 2023$56 $(5)$51 
2024 Plan charges138 — 138 
Utilized - cash(17)— (17)
Noncash and other adjustments(2)(1)(3)
Balance at March 31, 2024
$175 $(6)$169 
For the three months ended March 31, 2023:

(in millions)Employee Severance and Termination BenefitsCurrency
Translation		Total
Balance at December 31, 2022$49 $(4)$45 
2023 Plan charges17 — 17 
Utilized - cash(10)— (10)
Noncash and other adjustments1 — 1 
Balance at March 31, 2023$57 $(4)$53 
Current restructuring reserve - other current liabilities$53 
Noncurrent restructuring reserve - other noncurrent liabilities— 
Balance at March 31, 2023$53 

For the six months ended March 31, 2023:

(in millions)Employee Severance and Termination BenefitsCurrency
Translation		Total
Balance at September 30, 2022$69 $(9)$60 
2023 Plan charges24 — 24 
Utilized - cash(37)— (37)
Noncash and other adjustments1 5 6 
Balance at March 31, 2023$57 $(4)$53