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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) | 6 Months Ended
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Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the net carrying value of goodwill by segment are as follows:
(In millions) | Roofing |  | Insulation |  | Doors |  | Total
Gross carrying amount at December 31, 2024 | $ | 654 |  |  | $ | 1,549 |  |  | $ | 1,478 |  |  | $ | 3,681 |
Foreign currency translation | 7 |  |  | 69 |  |  | 15 |  |  | 91 |
Purchase price allocation adjustments | — |  |  | — |  |  | 23 |  |  | 23 |
Gross carrying amount at June 30, 2025 | 661 |  |  | 1,618 |  |  | 1,516 |  |  | 3,795 |
Accumulated impairment losses at December 31, 2024 | — |  |  | (936) |  |  | — |  |  | (936) |
Foreign currency translation | — |  |  | (45) |  |  | — |  |  | (45) |
Accumulated impairment losses at June 30, 2025 | — |  |  | (981) |  |  | — |  |  | (981) |
Balance, net of impairment, at June 30, 2025 | $ | 661 |  |  | $ | 637 |  |  | $ | 1,516 |  |  | $ | 2,814 |
Schedule of Finite-Lived Intangible Assets | Other intangible assets consist of the following:
| June 30, 2025 |  | December 31, 2024
(In millions) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Indefinite-lived trademarks and trade names | $ | 1,238 |  |  | $ | — |  |  | $ | 1,238 |  |  | $ | 1,225 |  |  | $ | — |  |  | $ | 1,225 |
Amortizable intangible assets |  |  |  |  |  |  |  |  |  |  |
Customer relationships | 1,609 |  |  | (437) |  |  | 1,172 |  |  | 1,570 |  |  | (367) |  |  | 1,203 |
Technology | 385 |  |  | (224) |  |  | 161 |  |  | 373 |  |  | (199) |  |  | 174 |
Trademarks and trade names | 31 |  |  | (5) |  |  | 26 |  |  | 31 |  |  | (4) |  |  | 27 |
Other (a) | 68 |  |  | (1) |  |  | 67 |  |  | 52 |  |  | (1) |  |  | 51 |
Total other intangible assets | $ | 3,331 |  |  | $ | (667) |  |  | $ | 2,664 |  |  | $ | 3,251 |  |  | $ | (571) |  |  | $ | 2,680 |
(a) Other primarily includes emissions rights.
Schedule of Impaired Intangible Assets | The following table presents the carrying values of these assets as of June 30, 2025:
(In millions) | June 30, 2025
European building and technical insulation trade name | $ | 96 |
Finite-lived Intangible Assets Amortization Expense | The estimated amortization expense for intangible assets for the next five fiscal years ended December 31 is as follows:
(In millions) | Amortization
2026 | $ | 135 |
2027 | $ | 126 |
2028 | $ | 126 |
2029 | $ | 111 |
2030 | $ | 102 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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