v3.26.1
GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 3 Months Ended
Mar. 31, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The changes in the net carrying amount of goodwill by segment are as follows:
(In millions)RoofingInsulationDoorsTotal
Gross carrying amount at December 31, 2025
$661 $1,620 $1,515 $3,796 
Divestiture— — (7)(7)
Foreign currency translation(1)(12)(3)(16)
Gross carrying amount at March 31, 2026
660 1,608 1,505 3,773 
Accumulated impairment losses at December 31, 2025
— (982)(1,135)(2,117)
Foreign currency translation— 8 — 8 
Accumulated impairment losses at March 31, 2026
— (974)(1,135)(2,109)
Balance, net of impairment at March 31, 2026
$660 $634 $370 $1,664 
Schedule of Finite-Lived Intangible Assets
Other intangible assets consist of the following:
March 31, 2026December 31, 2025
(In millions)
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
Indefinite-lived trademarks and trade names$1,195 $— $1,195 $1,197 $— $1,197 
Amortizable intangible assets
Customer relationships1,544 (453)1,091 1,551 (431)1,120 
Technology381 (249)132 382 (241)141 
Trademarks and trade names30 (7)23 31 (7)24 
Other (a)59 (2)57 55 (2)53 
Total other intangible assets$3,209 $(711)$2,498 $3,216 $(681)$2,535 
(a)    Other primarily includes emissions rights.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
The estimated amortization expense for intangible assets for the next five years is as follows:
(In millions)Amortization
2027$126 
2028$125 
2029$110 
2030$102 
2031$101