v3.26.1
Master Trust (Tables)
 12 Months Ended
Dec. 31, 2025
EBP Plans  
EBP, Master Trust [Line Items]  
Schedule of Master Trust Net Assets
A summary of the net assets of the Master Trust and dollar amounts of each plan's interest in the Master Trust as of December 31, 2025 is as follows:

Master Trust Balances
Adient US LLC Savings and Investment (401k) Plan		Avanzar Interior Technologies, Ltd. Savings and Investment (401k) Plan
Bridgewater Interiors, LLC Savings and Investment (401k) Plan
Adient Production Employees Savings and Investment (401k) Plan
Investments - Fair Value:
Mutual Funds$208,809,414 $197,259,487 $2,821,894 $7,439,109 $1,288,924 
Employer Stock Fund:
Adient Ordinary Shares18,307,947 16,339,201 378,293 1,431,029 159,424 
Interest Bearing Cash677,660 590,983 19,651 50,331 16,695 
Other Common Stock29,040,553 26,908,491 429,372 1,219,511 483,179 
256,835,574 241,098,162 3,649,210 10,139,980 1,948,222 
Common/Collective Trust Funds862,262,829 734,860,878 28,802,498 72,977,057 25,622,396 
Total Investments at Fair Value1,119,098,403 975,959,040 32,451,708 83,117,037 27,570,618 
Investments - Contract Value:
Fixed Income Fund65,265,729 59,239,799 993,067 3,107,604 1,925,259 
Total Investments at Contract Value 65,265,729 59,239,799 993,067 3,107,604 1,925,259 
Total Master Trust Net Assets$1,184,364,132 $1,035,198,839 $33,444,775 $86,224,641 $29,495,877 
A summary of the net assets of the Master Trust and dollar amounts of each plan's interest in the Master Trust as of December 31, 2024 is as follows:

Master Trust BalancesAdient US LLC Savings and Investment (401k) PlanAvanzar Interior Technologies, Ltd. Savings and Investment (401k) PlanBridgewater Interiors, LLC Savings and Investment (401k) PlanAdient Production Employees Savings and Investment (401k) Plan
Investments - Fair Value:
Mutual Funds$190,799,741 $179,990,258 $2,702,590 $6,891,703 $1,215,190 
Employer Stock Fund:
Adient Ordinary Shares16,442,846 14,684,088 425,565 1,212,520 120,673 
Interest Bearing Cash839,415 736,004 22,916 59,876 20,619 
Other Common Stock29,665,476 27,521,772 154,949 1,545,125 443,630 
237,747,478 222,932,122 3,306,020 9,709,224 1,800,112 
Common/Collective Trust Funds756,661,720 648,971,584 23,840,806 61,222,831 22,626,499 
Total Investments at Fair Value994,409,198 871,903,706 27,146,826 70,932,055 24,426,611 
Investments - Contract Value:
Fixed Income Fund70,054,155 63,260,473 1,583,043 3,293,850 1,916,789 
Total Investments at Contract Value70,054,155 63,260,473 1,583,043 3,293,850 1,916,789 
Total Master Trust Net Assets$1,064,463,353 $935,164,179 $28,729,869 $74,225,905 $26,343,400 

During the year ended December 31, 2025, the Master Trust investment income was comprised of the following:
Net realized and unrealized gains$143,696,862 
Dividend, interest and other income25,056,856 
Net investment income$168,753,718