English
Segment disclosures
Company overviewMartin Marietta Materials, Inc.
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
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.
Operating Segments · Asphalt And Paving · Reportable Subsegments · Building Materials Business
Consolidation Items · Product Or Service · Subsegments Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:AsphaltAndPavingMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 359900000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 658700000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 240900000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 298800000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 58000000 | USD | 20230504 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 314000000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 586400000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 215700000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 272500000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 56800000 | USD | 20230504 | Open filing evidence |
Operating Segments · Asphalt And Paving Services · Building Materials Business · Reportable Subsegments
Consolidation Items · Product Or Service · Statement Business Segments · Subsegments Consolidation Items
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:AsphaltAndPavingServicesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 228000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 308000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 80000000 | USD | 20250430 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 343000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 647000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 659000000 | USD | 20241030 | Open filing evidence |
Operating Segments · Asphalt And Paving Services · Reportable Subsegments · Building Materials Business
Consolidation Items · Product Or Service · Subsegments Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:AsphaltAndPavingServicesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 245000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 303000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 59000000 | USD | 20250430 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 360000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 241000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 299000000 | USD | 20240808 | Open filing evidence |
Operating Segments · Products And Services · Building Materials Business East Group
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 2324100000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 728500000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 632400000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1027000000 | USD | 20220728 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 596500000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 969100000 | USD | 20220728 | Open filing evidence |
Operating Segments · Products And Services · Building Materials Business West Group
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-04-01 – 2022-06-30 | 816800000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1499200000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1861900000 | USD | 20221102 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 2384600000 | USD | 20230224 | Open filing evidence |
Operating Segments · Ready Mixed Concrete · Reportable Subsegments · Building Materials Business
Consolidation Items · Product Or Service · Subsegments Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ReadyMixedConcreteMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 285200000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 776500000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 271400000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 491300000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 220000000 | USD | 20230504 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 227700000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 745400000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 226600000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 517800000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 291100000 | USD | 20230504 | Open filing evidence |
Operating Segments · Cargo And Freight · Building Materials Business
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 404200000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 124500000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 312100000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 305300000 | USD | 20230224 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 276000000 | USD | 20230224 | Open filing evidence |
Operating Segments · Building Materials Business East Group
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 526000000 | USD | 20240430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2763400000 | USD | 20240223 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 814300000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 2079000000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 735100000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1264700000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 530000000 Restated | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 2468100000 | USD | 20240223 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 773600000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 1866900000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 674500000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1093300000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 418800000 | USD | 20230504 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 2303000000 | USD | 20240223 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 684100000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1714400000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 635300000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1030200000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1949100000 | USD | 20230224 | Open filing evidence |
Operating Segments · Building Materials Business East Group · Products And Services
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-09-30 | 1755500000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 2161600000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 641800000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1610900000 | USD | 20221102 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1826600000 | USD | 20230224 | Open filing evidence |
Operating Segments · Building Materials Business East Group · Cargo And Freight
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 144000000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 45100000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 111400000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 42100000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 66300000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 141400000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 42300000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 103500000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 38800000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 61100000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 122500000 | USD | 20230224 | Open filing evidence |
Operating Segments · Building Materials Business
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1795000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3015000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1219000000 | USD | 20260430 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 5709000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1715000000 | USD | 20251104 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4308000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1519000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2594000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1075000000 Restated | USD | 20260430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 5342000000 Restated | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1560000000 Restated | USD | 20251104 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 4007000000 Restated | USD | 20251104 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1683000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2854000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1170000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 5536000000 Restated | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1918000000 Restated | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 4930000000 Restated | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1740000000 Restated | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 3011000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1270700000 | USD | 20230504 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 5857000000 Restated | USD | 20250221 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1736000000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 4449800000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1560000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 2713800000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 1153800000 | USD | 20230504 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 5115300000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1478900000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3692600000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 1302100000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2213600000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 4487200000 | USD | 20230224 | Open filing evidence |
Operating Segments · Building Materials Business · Cargo And Freight
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-04-01 – 2022-06-30 | 110800000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 187600000 | USD | 20220728 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 88100000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 219800000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 76800000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 131600000 | USD | 20220728 | Open filing evidence |
Operating Segments · Building Materials Business · Reportable Subsegments · Aggregates
Consolidation Items · Statement Business Segments · Subsegments Consolidation Items · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:AggregatesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-09-30 | 3780000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1320000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1002000000 | USD | 20260430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4514000000 | USD | 20250221 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1250000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3377000000 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1242000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2127000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 4302000000 | USD | 20260219 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 2063000000 | USD | 20240808 | Open filing evidence |
Operating Segments · Building Materials Business · Reportable Subsegments · Cement And Ready Mixed Concrete
Consolidation Items · Statement Business Segments · Subsegments Consolidation Items · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:CementAndReadyMixedConcreteMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 245000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 477000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 233000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1083000000 | USD | 20250221 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 526000000 | USD | 20240808 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 422000000 | USD | 20241030 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 1395000000 | USD | 20250221 | Open filing evidence |
Operating Segments · Building Materials Business · Reportable Subsegments · Building And Building Improvements
Consolidation Items · Statement Business Segments · Subsegments Consolidation Items · Property Plant And Equipment By Type
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:PropertyPlantAndEquipmentByTypeAxis=us-gaap:BuildingAndBuildingImprovementsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 116000000 | USD | 20260430 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 992000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 351000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 271000000 | USD | 20260730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1078000000 | USD | 20260219 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 814000000 | USD | 20251104 | Open filing evidence |
Operating Segments · Building Materials Business West Group
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 1104300000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 2850600000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1005200000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1746300000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 741100000 | USD | 20230504 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 3388600000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 962400000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 2582900000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 885500000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1620500000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 735000000 | USD | 20230504 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 2812300000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 794800000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1978200000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 666800000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1183400000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 2538100000 | USD | 20230224 | Open filing evidence |
Operating Segments · Building Materials Business West Group · Products And Services
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 3128400000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 883000000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 2382200000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 2648400000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 749000000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 628800000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1112900000 | USD | 20220728 | Open filing evidence |
Operating Segments · Building Materials Business West Group · Cargo And Freight
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 260200000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 79400000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 200700000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 68700000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 121300000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 163900000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 45800000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 116300000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 38000000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 70500000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 153500000 | USD | 20230224 | Open filing evidence |
Operating Segments · Magnesia Specialties
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 90000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 178000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 87000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 320000000 | USD | 20250221 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 82000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 243000000 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 81000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 161000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 81000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 315000000 Restated | USD | 20250221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 76000000 Restated | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 239000000 Restated | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 81000000 Restated | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 164000000 Restated | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 83000000 Restated | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 304000000 | USD | 20250221 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 75700000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 234400000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 81700000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 158700000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 77000000 | USD | 20230504 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 298700000 | USD | 20240223 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 78400000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 225000000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 75800000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 146700000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 242700000 | USD | 20230224 | Open filing evidence |
Operating Segments · Magnesia Specialties · Products And Services
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 278000000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 69000000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 214400000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 74600000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 145400000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 274700000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 71900000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 207100000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 70000000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 135200000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 220900000 | USD | 20230224 | Open filing evidence |
Operating Segments · Magnesia Specialties · Cargo And Freight
Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 26000000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 6700000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 20000000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 7100000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 13300000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 24000000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 6500000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 17900000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 5800000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 11500000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 21800000 | USD | 20230224 | Open filing evidence |
Operating Segments · Magnesia Specialties · Products And Services
Consolidation Items · Statement Business Segments · Subsegments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 278000000 | USD | 20230224 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 74600000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 274700000 | USD | 20230224 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 70000000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 135200000 | USD | 20220728 | Open filing evidence |
Operating Segments · Magnesia Specialties · Products
Consolidation Items · Statement Business Segments · Subsegments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;us-gaap:SubsegmentsAxis=mlm:ProductsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-07-01 – 2022-09-30 | 69000000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 214400000 | USD | 20221102 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 71900000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 207100000 | USD | 20221102 | Open filing evidence |
Operating Segments · Reportable Segments
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:ReportableSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1947000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 3309000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1362000000 | USD | 20260430 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 6150000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1846000000 | USD | 20251104 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 4617000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1609000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2771000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1162000000 Restated | USD | 20260430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 5662000000 Restated | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1642000000 | USD | 20251104 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 4250000000 | USD | 20251104 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1764000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 3015000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 1251000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 5851000000 Restated | USD | 20260219 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 6161000000 | USD | 20250221 | Open filing evidence |
Operating Segments · Specialties
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:SpecialtiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-06-30 | 294000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 143000000 | USD | 20260430 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 441000000 | USD | 20260219 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 177000000 | USD | 20260730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 320000000 | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 82000000 | USD | 20251104 | Open filing evidence |
Operating Segments · Products And Services · Asphalt And Paving · Reportable Subsegments · Building Materials Business
Consolidation Items · Subsegments · Product Or Service · Subsegments Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember;srt:ProductOrServiceAxis=mlm:AsphaltAndPavingMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 775400000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 309800000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 576900000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 212300000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 267100000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 514200000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 195900000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 343500000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 135300000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 147600000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 331700000 | USD | 20230224 | Open filing evidence |
Operating Segments · Products And Services · Ready Mixed Concrete · Reportable Subsegments · Building Materials Business
Consolidation Items · Subsegments · Product Or Service · Subsegments Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember;srt:ProductOrServiceAxis=mlm:ReadyMixedConcreteMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 951300000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 227400000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 743600000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 226100000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 516200000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1145800000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 320800000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 824500000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 268400000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 503700000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 952100000 | USD | 20230224 | Open filing evidence |
Operating Segments · Products And Services · Building Materials Business
Consolidation Items · Subsegments · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 5452500000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1611500000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 4137700000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1449200000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 2526200000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 4810000000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1390800000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3472800000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 1225300000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2082000000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 4211200000 | USD | 20230224 | Open filing evidence |
Operating Segments · Products And Services · Magnesia Specialties
Consolidation Items · Subsegments · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-06-30 | 145400000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 220900000 | USD | 20230224 | Open filing evidence |
Operating Segments · Products And Services · Reportable Subsegments · Aggregates · Building Materials Business
Consolidation Items · Subsegments · Subsegments Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:AggregatesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 3506000000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1015700000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 2656800000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 955200000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1641100000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 3058500000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 857100000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 2231500000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 801800000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1374400000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 2769300000 | USD | 20230224 | Open filing evidence |
Operating Segments · Products And Services · Reportable Subsegments · Cement · Building Materials Business
Consolidation Items · Subsegments · Subsegments Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:CementMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 602300000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 163200000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 455400000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 157900000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 292200000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 494500000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 132300000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 358400000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 116500000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 226100000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 452500000 | USD | 20230224 | Open filing evidence |
Operating Segments · Reportable Subsegments · Aggregates · Building Materials Business
Consolidation Items · Subsegments Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:AggregatesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 1216300000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3279600000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1151400000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 2063300000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 911900000 | USD | 20230504 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1130700000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 2945000000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1057600000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 1814200000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 756600000 | USD | 20230504 | Open filing evidence |
Operating Segments · Reportable Subsegments · Cement · Building Materials Business
Consolidation Items · Subsegments Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:CementMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 199100000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 565300000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 197700000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 366200000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 168600000 | USD | 20230504 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 168200000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 469000000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 162500000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 300800000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 138300000 | USD | 20230504 | Open filing evidence |
Operating Segments · Reportable Subsegments · Building Materials Business · Aggregates
Consolidation Items · Subsegments Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ProductOrServiceAxis=mlm:AggregatesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1533000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2675000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 1142000000 | USD | 20260430 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 5004000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1458000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1320000000 | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2322000000 | USD | 20260730 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 4514000000 | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1250000000 | USD | 20251104 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 3377000000 | USD | 20251104 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 1242000000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 2127000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 885000000 | USD | 20250430 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1216000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 3280000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1151000000 | USD | 20240808 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 3879000000 | USD | 20250221 | Open filing evidence |
Operating Segments · Reportable Subsegments · Building Materials Business · Cement And Ready Mixed Concrete
Consolidation Items · Subsegments Consolidation Items · Statement Business Segments · Product Or Service
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ProductOrServiceAxis=mlm:CementAndReadyMixedConcreteMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 296000000 | USD | 20241030 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 822000000 | USD | 20241030 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 261000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 526000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 265000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1518000000 | USD | 20250221 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1175000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 413000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 753000000 | USD | 20240808 | Open filing evidence |
Operating Segments · Reportable Subsegments · Building Materials Business · Building And Building Improvements
Consolidation Items · Subsegments Consolidation Items · Statement Business Segments · Property Plant And Equipment By Type
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;us-gaap:PropertyPlantAndEquipmentByTypeAxis=us-gaap:BuildingAndBuildingImprovementsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 303000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 420000000 | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 744000000 | USD | 20251104 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 393000000 | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 122000000 | USD | 20260430 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 392000000 | USD | 20251104 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1479000000 | USD | 20260219 | Open filing evidence |
Aggregates · Building Materials Business · Operating Segments · Reportable Subsegments · Products And Services
Product Or Service · Statement Business Segments · Consolidation Items · Subsegments Consolidation Items · Subsegments
Source dimensions
srt:ProductOrServiceAxis=mlm:AggregatesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 685900000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 3058500000 | USD | 20220222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 857100000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 2231500000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 801800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1374400000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 572600000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 2769300000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 766900000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 2092100000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 754900000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1325200000 | USD | 20210729 | Open filing evidence |
Asphalt And Paving · Operating Segments · Building Materials Business · Reportable Subsegments
Product Or Service · Consolidation Items · Statement Business Segments · Subsegments Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=mlm:AsphaltAndPavingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-12-31 | 869000000 | USD | 20250221 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 887000000 | USD | 20250221 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 788000000 | USD | 20250221 | Open filing evidence |
Asphalt And Paving · Building Materials Business · Operating Segments · Reportable Subsegments · Products And Services
Product Or Service · Statement Business Segments · Consolidation Items · Subsegments Consolidation Items · Subsegments
Source dimensions
srt:ProductOrServiceAxis=mlm:AsphaltAndPavingMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 54800000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 514200000 | USD | 20220222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 195900000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 343500000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 135300000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 147600000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 12200000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 331700000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 129800000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 254900000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 107000000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 125100000 | USD | 20210729 | Open filing evidence |
Cement · Building Materials Business · Operating Segments · Reportable Subsegments · Products And Services
Product Or Service · Statement Business Segments · Consolidation Items · Subsegments Consolidation Items · Subsegments
Source dimensions
srt:ProductOrServiceAxis=mlm:CementMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 134300000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 494500000 | USD | 20220222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 132300000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 358400000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 116500000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 226100000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 109600000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 452500000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 115600000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 331700000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 109500000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 216100000 | USD | 20210729 | Open filing evidence |
Products And Services · Operating Segments · Building Materials Business East Group
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 2161600000 | USD | 20220222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 1826600000 | USD | 20220222 | Open filing evidence |
Products And Services · Operating Segments · Building Materials Business West Group
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 2648400000 | USD | 20220222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 2384600000 | USD | 20220222 | Open filing evidence |
Products And Services · Operating Segments · Magnesia Specialties
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 274700000 | USD | 20220222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 220900000 | USD | 20220222 | Open filing evidence |
Products And Services · Building Materials Business
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 5452500000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1611500000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 4137700000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1449200000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 2526200000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 4810000000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1390800000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3472800000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 1225300000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2082000000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 4211200000 | USD | 20230224 | Open filing evidence |
Ready Mixed Concrete · Building Materials Business · Operating Segments · Reportable Subsegments · Products And Services
Product Or Service · Statement Business Segments · Consolidation Items · Subsegments Consolidation Items · Subsegments
Source dimensions
srt:ProductOrServiceAxis=mlm:ReadyMixedConcreteMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 290100000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1145800000 | USD | 20220222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 320800000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 824500000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 268400000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 503700000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 235300000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 952100000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 254600000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 689400000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 245100000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 434800000 | USD | 20210729 | Open filing evidence |
Cargo And Freight · Operating Segments · Building Materials Business East Group
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 141400000 | USD | 20220222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 122500000 | USD | 20220222 | Open filing evidence |
Cargo And Freight · Operating Segments · Building Materials Business West Group
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 163900000 | USD | 20220222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 153500000 | USD | 20220222 | Open filing evidence |
Cargo And Freight · Operating Segments · Magnesia Specialties
Product Or Service · Consolidation Items · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-01-01 – 2021-12-31 | 24000000 | USD | 20220222 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 21800000 | USD | 20220222 | Open filing evidence |
Cargo And Freight · Building Materials Business
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-09-30 | 312100000 | USD | 20221102 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 187600000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 305300000 | USD | 20230224 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 76800000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 276000000 | USD | 20220222 | Open filing evidence |
Cargo And Freight · Building Materials Business · Operating Segments
Product Or Service · Statement Business Segments · Consolidation Items
Source dimensions
srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 76800000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 305300000 | USD | 20220222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 88100000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 219800000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 76800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 131600000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 54900000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 276000000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 75000000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 212900000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 76400000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 137900000 | USD | 20210729 | Open filing evidence |
Service · California And Colorado · Building Materials Business West Group
Product Or Service · Statement Geographical · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=us-gaap:ServiceMember;srt:StatementGeographicalAxis=mlm:CaliforniaAndColoradoMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 172900000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 307200000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 107900000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 134300000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 26300000 | USD | 20230504 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 353700000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 138700000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 252100000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 95000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 113300000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 18300000 | USD | 20230504 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 259100000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 100500000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 182700000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 73400000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 82200000 | USD | 20220728 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 287600000 | USD | 20230224 | Open filing evidence |
California And Colorado · Service · Building Materials Business West Group
Statement Geographical · Product Or Service · Statement Business Segments
Source dimensions
srt:StatementGeographicalAxis=mlm:CaliforniaAndColoradoMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 18300000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 8800000 | USD | 20220503 | Open filing evidence |
CO · Service · Building Materials Business West Group
Statement Geographical · Product Or Service · Statement Business Segments
Source dimensions
srt:StatementGeographicalAxis=stpr:CO;srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2021-07-01 – 2021-09-30 | 100500000 | USD | 20211102 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 112800000 | USD | 20211102 | Open filing evidence |
Building Materials Business East Group · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 972000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1807000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 835000000 | USD | 20260430 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 3194000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 953000000 | USD | 20251104 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 2419000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 878000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 1636000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 758000000 Restated | USD | 20260430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 2941000000 | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 849000000 | USD | 20251104 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 2198000000 | USD | 20251104 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 823000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1349000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 526000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2763000000 | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 814000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 2079000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 735000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1265000000 | USD | 20240808 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 2468000000 | USD | 20250221 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 418800000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 684100000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1714400000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 635300000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1030200000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 394900000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 549300000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1465900000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 534500000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 916500000 | USD | 20210729 | Open filing evidence |
Building Materials Business East Group · Operating Segments · Products And Services
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 394600000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 641800000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1610900000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 596500000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 969100000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 372500000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 514100000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1371800000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 499700000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 857600000 | USD | 20210729 | Open filing evidence |
Building Materials Business East Group · Operating Segments · Cargo And Freight
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessEastGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 24200000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 42300000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 103500000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 38800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 61100000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 22400000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 35200000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 94100000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 34800000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 58900000 | USD | 20210729 | Open filing evidence |
Building Materials Business
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 1918600000 | USD | 20231101 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 4929600000 | USD | 20231101 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1740300000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 3011000000 | USD | 20230727 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1270700000 | USD | 20230504 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 5856700000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 1736000000 | USD | 20231101 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 4449800000 | USD | 20231101 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1560000000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 2713800000 | USD | 20230727 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 1153800000 | USD | 20230504 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 5115300000 | USD | 20230224 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1478900000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3692600000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 1302100000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2213600000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 911500000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 4487200000 | USD | 20230224 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1260500000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 3370100000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 1217000000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 2109600000 | USD | 20210729 | Open filing evidence |
Building Materials Business · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 1170000000 | USD | 20240430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 6461800000 | USD | 20240223 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 1271000000 | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 5856700000 | USD | 20240223 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 1153800000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 5115300000 | USD | 20240223 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1478900000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3692600000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 1302100000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2213600000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 911500000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 4487200000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1260500000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 3370100000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 1217000000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 2109600000 | USD | 20210729 | Open filing evidence |
Building Materials Business · Operating Segments · Aggregates · Reportable Subsegments
Statement Business Segments · Consolidation Items · Product Or Service · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:AggregatesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 4301600000 | USD | 20240223 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 912000000 | USD | 20240430 | Open filing evidence |
Building Materials Business · Operating Segments · Asphalt And Paving · Reportable Subsegments
Statement Business Segments · Consolidation Items · Product Or Service · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:AsphaltAndPavingMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 887100000 | USD | 20240223 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 787900000 | USD | 20240223 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 517900000 | USD | 20240223 | Open filing evidence |
Building Materials Business · Operating Segments · Asphalt And Paving Services · Reportable Subsegments
Statement Business Segments · Consolidation Items · Product Or Service · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:AsphaltAndPavingServicesMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 59000000 | USD | 20240430 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 58000000 | USD | 20240430 | Open filing evidence |
Building Materials Business · Operating Segments · Cement · Reportable Subsegments
Statement Business Segments · Consolidation Items · Product Or Service · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:CementMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 725500000 | USD | 20240223 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 620000000 | USD | 20240223 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 509300000 | USD | 20240223 | Open filing evidence |
Building Materials Business · Operating Segments · Ready Mixed Concrete · Reportable Subsegments
Statement Business Segments · Consolidation Items · Product Or Service · Subsegments Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ReadyMixedConcreteMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 1009300000 | USD | 20240223 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 953200000 | USD | 20240223 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 1147500000 | USD | 20240223 | Open filing evidence |
Building Materials Business · Operating Segments · Products And Services
Statement Business Segments · Consolidation Items · Subsegments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 1077000000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 4810000000 | USD | 20220222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1390800000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3472800000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 1225300000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2082000000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 856600000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 4211200000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1185500000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 3157200000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 1140600000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1971700000 | USD | 20210729 | Open filing evidence |
Building Materials Business · Operating Segments · Reportable Subsegments · Aggregates
Statement Business Segments · Consolidation Items · Subsegments Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:AggregatesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 885000000 | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 3879000000 | USD | 20240223 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 3344300000 | USD | 20240223 | Open filing evidence |
Building Materials Business · Operating Segments · Reportable Subsegments · Cement And Ready Mixed Concrete
Statement Business Segments · Consolidation Items · Subsegments Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsConsolidationItemsAxis=us-gaap:ReportableSubsegmentsMember;srt:ProductOrServiceAxis=mlm:CementAndReadyMixedConcreteMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 265000000 | USD | 20240430 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 340000000 | USD | 20240430 | Open filing evidence |
Building Materials Business · Products And Services
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 1077000000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 1390800000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 3472800000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 1225300000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 2082000000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 856600000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 1185500000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 3157200000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 1140600000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1971700000 | USD | 20210729 | Open filing evidence |
Building Materials Business · Cargo And Freight
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-12-31 | 404200000 | USD | 20230224 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 124500000 | USD | 20221102 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 110800000 | USD | 20220728 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 76800000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 88100000 | USD | 20221102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 219800000 | USD | 20221102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 76800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 131600000 | USD | 20220728 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 54900000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 276000000 | USD | 20230224 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 75000000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 212900000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 76400000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 137900000 | USD | 20210729 | Open filing evidence |
Building Materials Business Mid America Group · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMidAmericaGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 392300000 | USD | 20200728 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 653100000 | USD | 20200728 | Open filing evidence |
Building Materials Business Mid America Group · Operating Segments · Products And Services
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMidAmericaGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 362900000 | USD | 20200728 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 603900000 | USD | 20200728 | Open filing evidence |
Building Materials Business Mid America Group · Operating Segments · Cargo And Freight
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessMidAmericaGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 29400000 | USD | 20200728 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 49200000 | USD | 20200728 | Open filing evidence |
Building Materials Business Southeast Group · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessSoutheastGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 142200000 | USD | 20200728 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 263400000 | USD | 20200728 | Open filing evidence |
Building Materials Business Southeast Group · Operating Segments · Products And Services
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessSoutheastGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 136800000 | USD | 20200728 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 253700000 | USD | 20200728 | Open filing evidence |
Building Materials Business Southeast Group · Operating Segments · Cargo And Freight
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessSoutheastGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 5400000 | USD | 20200728 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 9700000 | USD | 20200728 | Open filing evidence |
Building Materials Business West Group · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 823000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1208000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 384000000 | USD | 20260430 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 2515000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 762000000 | USD | 20251104 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1889000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 641000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 958000000 Restated | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 317000000 Restated | USD | 20260430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 2401000000 Restated | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 711000000 Restated | USD | 20251104 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1809000000 Restated | USD | 20251104 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 860000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 1505000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 644000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2773000000 Restated | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1104000000 | USD | 20241030 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 2851000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1005000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1746000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 741000000 | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 3389000000 Restated | USD | 20250221 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 735000000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 2812300000 | USD | 20240223 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 794800000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1978200000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 666800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1183400000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 516600000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 711200000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1904200000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 682500000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1193100000 | USD | 20210729 | Open filing evidence |
Building Materials Business West Group · Operating Segments · Products And Services
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 682400000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 749000000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 1861900000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 628800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 1112900000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 484100000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 671400000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 1785400000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 640900000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 1114100000 | USD | 20210729 | Open filing evidence |
Building Materials Business West Group · Operating Segments · Cargo And Freight
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 52600000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 45800000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 116300000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 38000000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 70500000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 32500000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 39800000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 118800000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 41600000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 79000000 | USD | 20210729 | Open filing evidence |
Building Materials Business West Group · Service · Colorado And California
Statement Business Segments · Product Or Service · Statement Geographical
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember;srt:StatementGeographicalAxis=mlm:ColoradoAndCaliforniaMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 102000000 | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 137000000 | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 36000000 | USD | 20260430 | Open filing evidence |
Building Materials Business West Group · California And Colorado · Service
Statement Business Segments · Statement Geographical · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:StatementGeographicalAxis=mlm:CaliforniaAndColoradoMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 356000000 | USD | 20260219 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 130000000 | USD | 20251104 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 267000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 102000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 137000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 36000000 | USD | 20250430 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 411000000 | USD | 20260219 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 164000000 | USD | 20251104 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 307000000 | USD | 20251104 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 117000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 143000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 26000000 | USD | 20250430 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 411000000 Restated | USD | 20260219 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 173000000 | USD | 20241030 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 108000000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 26000000 | USD | 20240430 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 354000000 Restated | USD | 20250221 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 259100000 | USD | 20240223 | Open filing evidence |
Building Materials Business West Group · Colorado And British Columbia · Service
Statement Business Segments · Statement Geographical · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:BuildingMaterialsBusinessWestGroupMember;srt:StatementGeographicalAxis=mlm:ColoradoAndBritishColumbiaMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 107000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 126000000 | USD | 20260730 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 19000000 | USD | 20260430 | Open filing evidence |
Magnesia Specialties · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 77000000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 78400000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 225000000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 75800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 146700000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 70900000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 60900000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 180200000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 53600000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 119300000 | USD | 20210729 | Open filing evidence |
Magnesia Specialties · Operating Segments · Products And Services
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 70800000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 71900000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 207100000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 70000000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 135200000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 65300000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 55200000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 164000000 | USD | 20211102 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 48900000 | USD | 20210729 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 108800000 | USD | 20210729 | Open filing evidence |
Magnesia Specialties · Operating Segments · Cargo And Freight
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=us-gaap:CargoAndFreightMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 6200000 | USD | 20220503 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 6500000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 17900000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 5800000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 11500000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 5600000 | USD | 20220503 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 5700000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 16200000 | USD | 20211102 | Open filing evidence |
Magnesia Specialties · Operating Segments · Products And Services
Statement Business Segments · Consolidation Items · Subsegments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:MagnesiaSpecialtiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:SubsegmentsAxis=mlm:ProductsAndServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2022-01-01 – 2022-03-31 | 70800000 | USD | 20220503 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 274700000 | USD | 20220222 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 71900000 | USD | 20211102 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 207100000 | USD | 20211102 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 70000000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 135200000 | USD | 20210729 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 65300000 | USD | 20220503 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 220900000 | USD | 20220222 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 55200000 | USD | 20211102 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 164000000 | USD | 20211102 | Open filing evidence |
Specialties · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=mlm:SpecialtiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 152000000 | USD | 20260730 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 131000000 | USD | 20251104 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 309000000 | USD | 20251104 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 90000000 | USD | 20260730 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 87000000 | USD | 20260430 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 243000000 | USD | 20251104 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 315000000 | USD | 20260219 | Open filing evidence |