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SEGMENT INFORMATION (Details) $ in Millions | 2 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Mar. 31, 2025 segment | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) segment | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Number of reportable segments | segment |  |  | 3 |  | 3 |  |
Disaggregated revenue |  | $ 2,747 |  | $ 2,497 | $ 5,277 | $ 4,514 |
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES |  | 505 |  | 419 | 912 | 795 |
Depreciation and amortization |  | (172) |  | (142) | (331) | (250) |
Restructuring excluding depreciation |  | (9) |  | (34) | (12) | (44) |
Gains on sale of certain precious metals |  | 12 |  | 0 | 21 | 0 |
Paroc marine recall |  | (1) |  | (6) | (2) | (7) |
Strategic review-related charges |  | 0 |  | (15) | 0 | (17) |
Gain (Loss) on Disposition of Business |  | (24) |  | 0 | (26) | 0 | $ (91)
Recognition of acquisition inventory fair value step-up |  | 0 |  | (12) | 0 | (12) |
General corporate expense and other |  | (54) |  | (66) | (114) | (112) |
Interest Expense, Operating and Nonoperating |  | (63) |  | (63) | (127) | (79) |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest |  | 442 |  | 356 | 785 | 716 |
Acquisition-related transaction costs |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Acquisition-related transaction costs |  | 0 |  | (29) | 0 | (47) |
Acquisition-related integration costs |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Acquisition-related transaction costs |  | (4) |  | (21) | (6) | (21) |
Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 2,791 |  | 2,537 | 5,360 | 4,592 |
Eliminations |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | (44) |  | (40) | (83) | (78) |
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES |  | (80) |  | (183) | (139) | (260) |
Europe |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 292 |  | 263 | 560 | 486 |
Europe | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 293 |  | 263 | 563 | 487 |
Europe | Eliminations |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | (1) |  | 0 | (3) | (1) |
Asia Pacific |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 36 |  | 41 | 65 | 72 |
Asia Pacific | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 36 |  | 41 | 65 | 72 |
Asia Pacific | Eliminations |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 0 |  | 0 | 0 | 0 |
Rest of world |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 8 |  | 6 | 17 | 11 |
Rest of world | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 8 |  | 6 | 17 | 11 |
Rest of world | Eliminations |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 0 |  | 0 | 0 | 0 |
North America |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 2,411 |  | 2,187 | 4,635 | 3,945 |
North America | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 2,454 |  | 2,227 | 4,715 | 4,022 |
North America | Eliminations |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | (43) |  | (40) | (80) | (77) |
North America | Residential |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 1,923 |  | 1,711 | 3,717 | 3,036 |
North America | Residential | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 1,963 |  | 1,748 | 3,792 | 3,106 |
North America | Residential | Eliminations |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | (40) |  | (37) | (75) | (70) |
North America | Commercial and Industrial Sector |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 488 |  | 476 | 918 | 909 |
North America | Commercial and Industrial Sector | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 491 |  | 479 | 923 | 916 |
North America | Commercial and Industrial Sector | Eliminations |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | (3) |  | (3) | (5) | (7) |
Roofing | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 1,303 |  | 1,252 | 2,423 | 2,350 |
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES |  | 457 |  | 437 | 789 | 775 |
Roofing | Europe | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 55 |  | 49 | 103 | 98 |
Roofing | Asia Pacific | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 2 |  | 3 | 6 | 6 |
Roofing | Rest of world | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 0 |  | 0 | 0 | 0 |
Roofing | North America | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 1,246 |  | 1,200 | 2,314 | 2,246 |
Roofing | North America | Residential | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 1,128 |  | 1,088 | 2,096 | 2,048 |
Roofing | North America | Commercial and Industrial Sector | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 118 |  | 112 | 218 | 198 |
Insulation | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 934 |  | 974 | 1,843 | 1,931 |
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES |  | 225 |  | 246 | 450 | 469 |
Insulation | Europe | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 180 |  | 184 | 346 | 359 |
Insulation | Asia Pacific | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 31 |  | 37 | 56 | 65 |
Insulation | Rest of world | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 4 |  | 3 | 8 | 8 |
Insulation | North America | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 719 |  | 750 | 1,433 | 1,499 |
Insulation | North America | Residential | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 346 |  | 383 | 728 | 781 |
Insulation | North America | Commercial and Industrial Sector | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 373 |  | 367 | 705 | 718 |
Doors | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue | $ 311 | 554 |  |  | 1,094 | 311 |
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES |  | 75 |  | 61 | 143 | 61 |
Doors | Europe | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 58 |  | 30 | 114 | 30 |
Doors | Asia Pacific | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 3 |  | 1 | 3 | 1 |
Doors | Rest of world | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 4 |  | 3 | 9 | 3 |
Doors | North America | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 489 |  | 277 | 968 | 277 |
Doors | North America | Residential | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 489 |  | 277 | 968 | 277 |
Doors | North America | Commercial and Industrial Sector | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
Disaggregated revenue |  | 0 |  | 0 | 0 | 0 |
Total Segments | Operating Segments |  |  |  |  |  |  |
Segment Reporting, Significant Reconciling Item [Line Items] |  |  |  |  |  |  |
EARNINGS FROM CONTINUING OPERATIONS BEFORE INTEREST AND TAXES |  | $ 757 |  | $ 744 | $ 1,382 | $ 1,305 |

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