Fundies. English
Segment disclosures
Company overviewAmentum Holdings, Inc.
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
28 dimension combinations 416 retained observations 12 reported periods
Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.
Commercial And International · Digital Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:CommercialAndInternationalMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 239000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 696000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 231000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 457000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 226000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 714000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 155000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 500000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 197000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 345000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 148000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 86000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 21000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 64000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 22000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 43000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 21000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 84000000 | USD | 20251125 | Open filing evidence |
Commercial And International · Global Engineering Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:CommercialAndInternationalMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 477000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 1364000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 460000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 887000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 427000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 2007000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 492000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 1472000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 496000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 980000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 484000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 715000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 182000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 533000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 152000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 351000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 199000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 649000000 | USD | 20251125 | Open filing evidence |
Department Of Defense And U.S.Intelligence Community · Digital Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:DepartmentOfDefenseAndU.S.IntelligenceCommunityMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 790000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 2317000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 816000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 1527000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 711000000 | USD | 20260210 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 865000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 2325000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 738000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 1460000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 722000000 | USD | 20260210 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 378000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 1083000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 354000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 705000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 351000000 | USD | 20250205 | Open filing evidence |
Department Of Defense And U.S.Intelligence Community · Global Engineering Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:DepartmentOfDefenseAndU.S.IntelligenceCommunityMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 927000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 3017000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 1065000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 2090000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1025000000 | USD | 20260210 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1052000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 3168000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1070000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 2116000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1046000000 | USD | 20260210 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 1047000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 3029000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 1030000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 1982000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 952000000 | USD | 20250205 | Open filing evidence |
Department Of War And U.S.Intelligence Community · Digital Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:DepartmentOfWarAndU.S.IntelligenceCommunityMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-09-28 – 2025-10-03 | 3222000000 | USD | 20251125 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 1509000000 | USD | 20251125 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 1474000000 | USD | 20251125 | Open filing evidence |
Department Of War And U.S.Intelligence Community · Global Engineering Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:DepartmentOfWarAndU.S.IntelligenceCommunityMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-09-28 – 2025-10-03 | 4456000000 | USD | 20251125 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 4094000000 | USD | 20251125 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 3791000000 | USD | 20251125 | Open filing evidence |
Other U.S.Government Agencies · Digital Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:OtherU.S.GovernmentAgenciesMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 428000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 1249000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 421000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 821000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 400000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 1607000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 401000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 1222000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 405000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 821000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 416000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 386000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 102000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 284000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 95000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 182000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 87000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 341000000 | USD | 20251125 | Open filing evidence |
Other U.S.Government Agencies · Global Engineering Solutions Segment
Major Customers · Statement Business Segments
Source dimensions
srt:MajorCustomersAxis=amtm:OtherU.S.GovernmentAgenciesMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 629000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 1562000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 485000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 933000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 448000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 2387000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 596000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 1781000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 585000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 1185000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 600000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 1598000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 412000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 1183000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 398000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 771000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 373000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 1526000000 | USD | 20251125 | Open filing evidence |
US · Digital Solutions Segment
Statement Geographical · Statement Business Segments
Source dimensions
srt:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 1404000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 4096000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 1408000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 2692000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1284000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 5304000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1360000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 3867000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1285000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 2507000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1222000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 1679000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 428000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 1215000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 403000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 787000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 384000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 1544000000 | USD | 20251125 | Open filing evidence |
US · Global Engineering Solutions Segment
Statement Geographical · Statement Business Segments
Source dimensions
srt:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 1399000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 3905000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 1300000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 2506000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1206000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 5442000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1327000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 3890000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1300000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 2563000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1263000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 4376000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 1109000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 3292000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 1120000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 2183000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 1063000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 4204000000 | USD | 20251125 | Open filing evidence |
Non Us · Digital Solutions Segment
Statement Geographical · Statement Business Segments
Source dimensions
srt:StatementGeographicalAxis=us-gaap:NonUsMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 53000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 166000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 60000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 113000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 53000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 239000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 61000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 180000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 55000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 119000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 64000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 302000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 73000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 216000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 68000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 143000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 75000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 355000000 | USD | 20251125 | Open filing evidence |
Non Us · Global Engineering Solutions Segment
Statement Geographical · Statement Business Segments
Source dimensions
srt:StatementGeographicalAxis=us-gaap:NonUsMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 634000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 2038000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 710000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 1404000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 694000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 3408000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 813000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 2531000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 851000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 1718000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 867000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 2031000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 532000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 1453000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 460000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 921000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 461000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 1762000000 | USD | 20251125 | Open filing evidence |
Cost Plus Fee Contract · Digital Solutions Segment
Contract With Customer Basis Of Pricing · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerBasisOfPricingAxis=amtm:CostPlusFeeContractMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 861000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 2530000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 883000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 1669000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 786000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 3557000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 952000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 2598000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 861000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 1646000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 785000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 964000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 249000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 684000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 216000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 435000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 219000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 875000000 | USD | 20251125 | Open filing evidence |
Cost Plus Fee Contract · Global Engineering Solutions Segment
Contract With Customer Basis Of Pricing · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerBasisOfPricingAxis=amtm:CostPlusFeeContractMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 1010000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 3173000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 1104000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 2163000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1059000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 5426000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1348000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 4117000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1388000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 2769000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1381000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 4234000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 1032000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 3119000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 1052000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 2087000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 1035000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 4066000000 | USD | 20251125 | Open filing evidence |
Fixed Price Contract · Digital Solutions Segment
Contract With Customer Basis Of Pricing · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerBasisOfPricingAxis=us-gaap:FixedPriceContractMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 424000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 1206000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 402000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 782000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 380000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 1422000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 336000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 1026000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 331000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 690000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 359000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 650000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 160000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 476000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 161000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 316000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 155000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 667000000 | USD | 20251125 | Open filing evidence |
Fixed Price Contract · Global Engineering Solutions Segment
Contract With Customer Basis Of Pricing · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerBasisOfPricingAxis=us-gaap:FixedPriceContractMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 681000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 1809000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 580000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 1128000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 548000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 2067000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 481000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 1429000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 476000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 948000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 472000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 1576000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 444000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 1186000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 388000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 742000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 354000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 1422000000 | USD | 20251125 | Open filing evidence |
Time And Materials Contract · Digital Solutions Segment
Contract With Customer Basis Of Pricing · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerBasisOfPricingAxis=us-gaap:TimeAndMaterialsContractMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 172000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 526000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 183000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 354000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 171000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 564000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 133000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 423000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 148000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 290000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 142000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 367000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 92000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 271000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 94000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 179000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 85000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 357000000 | USD | 20251125 | Open filing evidence |
Time And Materials Contract · Global Engineering Solutions Segment
Contract With Customer Basis Of Pricing · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerBasisOfPricingAxis=us-gaap:TimeAndMaterialsContractMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 342000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 961000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 326000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 619000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 293000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 1357000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 311000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 875000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 287000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 564000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 277000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 597000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 165000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 440000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 140000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 275000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 135000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 478000000 | USD | 20251125 | Open filing evidence |
Sales Channel Directly To Consumer · Digital Solutions Segment
Contract With Customer Sales Channel · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelDirectlyToConsumerMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 1381000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 4021000000 | USD | 20260811 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1301000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 3680000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1215000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 2379000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1164000000 | USD | 20250205 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 417000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 826000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 409000000 | USD | 20250205 | Open filing evidence |
Sales Channel Directly To Consumer · Global Engineering Solutions Segment
Contract With Customer Sales Channel · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelDirectlyToConsumerMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 1863000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 5270000000 | USD | 20260811 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1896000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 5659000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1885000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 3763000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1878000000 | USD | 20250205 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 1410000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 2761000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 1351000000 | USD | 20250205 | Open filing evidence |
Sales Channel Through Intermediary · Digital Solutions Segment
Contract With Customer Sales Channel · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelThroughIntermediaryMember;us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 76000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 241000000 | USD | 20260811 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 120000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 367000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 125000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 247000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 122000000 | USD | 20250205 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 54000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 104000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 50000000 | USD | 20250205 | Open filing evidence |
Sales Channel Through Intermediary · Global Engineering Solutions Segment
Contract With Customer Sales Channel · Statement Business Segments
Source dimensions
us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelThroughIntermediaryMember;us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 170000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 673000000 | USD | 20260811 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 244000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 762000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 266000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 518000000 | USD | 20250507 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 252000000 | USD | 20250205 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 170000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 343000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 173000000 | USD | 20250205 | Open filing evidence |
Digital Solutions Segment
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 1457000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 4262000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 1468000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 2805000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1337000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 5543000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1421000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 4047000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1340000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 2626000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1286000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 1981000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 501000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 1431000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 471000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 930000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 459000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 1899000000 | USD | 20251125 | Open filing evidence |
Digital Solutions Segment · Sales Channel Directly To Consumer
Statement Business Segments · Contract With Customer Sales Channel
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember;us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelDirectlyToConsumerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-03 – 2026-04-03 | 1381000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 2640000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1259000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 5069000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1301000000 | USD | 20250806 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 3680000000 | USD | 20250806 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1215000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 2379000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1164000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 1772000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 449000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 1275000000 | USD | 20250806 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 1722000000 | USD | 20251125 | Open filing evidence |
Digital Solutions Segment · Sales Channel Through Intermediary
Statement Business Segments · Contract With Customer Sales Channel
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=amtm:DigitalSolutionsSegmentMember;us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelThroughIntermediaryMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-03 – 2026-04-03 | 87000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 165000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 78000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 474000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 120000000 | USD | 20250806 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 367000000 | USD | 20250806 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 125000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 247000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 122000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 209000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 52000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 156000000 | USD | 20250806 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 177000000 | USD | 20251125 | Open filing evidence |
Global Engineering Solutions Segment
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-04 – 2026-07-03 | 2033000000 | USD | 20260811 | Open filing evidence |
| 2025-10-04 – 2026-07-03 | 5943000000 | USD | 20260811 | Open filing evidence |
| 2026-01-03 – 2026-04-03 | 2010000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 3910000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1900000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 8850000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 2140000000 | USD | 20260811 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 6421000000 | USD | 20260811 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 2151000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 4281000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 2130000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 6407000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 1641000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 4745000000 | USD | 20250806 | Open filing evidence |
| 2023-12-30 – 2024-03-29 | 1580000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2024-03-29 | 3104000000 | USD | 20250507 | Open filing evidence |
| 2023-09-30 – 2023-12-29 | 1524000000 | USD | 20250205 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 5966000000 | USD | 20251125 | Open filing evidence |
Global Engineering Solutions Segment · Sales Channel Directly To Consumer
Statement Business Segments · Contract With Customer Sales Channel
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember;us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelDirectlyToConsumerMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-03 – 2026-04-03 | 1762000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 3407000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 1645000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 8027000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 1896000000 | USD | 20250806 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 5659000000 | USD | 20250806 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 1885000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 3763000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 1878000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 5738000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 1483000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 4244000000 | USD | 20250806 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 5236000000 | USD | 20251125 | Open filing evidence |
Global Engineering Solutions Segment · Sales Channel Through Intermediary
Statement Business Segments · Contract With Customer Sales Channel
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=amtm:GlobalEngineeringSolutionsSegmentMember;us-gaap:ContractWithCustomerSalesChannelAxis=us-gaap:SalesChannelThroughIntermediaryMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-03 – 2026-04-03 | 248000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-04-03 | 503000000 | USD | 20260512 | Open filing evidence |
| 2025-10-04 – 2026-01-02 | 255000000 | USD | 20260210 | Open filing evidence |
| 2024-09-28 – 2025-10-03 | 823000000 | USD | 20251125 | Open filing evidence |
| 2025-03-29 – 2025-06-27 | 244000000 | USD | 20250806 | Open filing evidence |
| 2024-09-28 – 2025-06-27 | 762000000 | USD | 20250806 | Open filing evidence |
| 2024-12-28 – 2025-03-28 | 266000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2025-03-28 | 518000000 | USD | 20260512 | Open filing evidence |
| 2024-09-28 – 2024-12-27 | 252000000 | USD | 20260210 | Open filing evidence |
| 2023-09-30 – 2024-09-27 | 669000000 | USD | 20251125 | Open filing evidence |
| 2024-03-30 – 2024-06-28 | 158000000 | USD | 20250806 | Open filing evidence |
| 2023-09-30 – 2024-06-28 | 501000000 | USD | 20250806 | Open filing evidence |
| 2022-10-01 – 2023-09-29 | 730000000 | USD | 20251125 | Open filing evidence |