v3.26.1
GOODWILL AND INTANGIBLE ASSETS (Tables)
 6 Months Ended
Jun. 30, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
Changes in the carrying value of goodwill were as follows:
Chlor Alkali Products and VinylsEpoxyWinchesterTotal
Goodwill($ in millions)
Balance at January 1, 2025(1)
$1,276.4 $144.8 $2.4 $1,423.6 
Acquisition activity— — 2.0 2.0 
Foreign currency translation adjustment(0.1)— — (0.1)
Balance at June 30, 2025(1)
$1,276.3 $144.8 $4.4 $1,425.5 
Balance at January 1, 2026(1)
$1,276.3 $144.8 $6.5 $1,427.6 
Foreign currency translation adjustment0.1 — — 0.1 
Balance at June 30, 2026(1)
$1,276.4 $144.8 $6.5 $1,427.7 
(1)Includes cumulative goodwill impairment of $557.6 million and $142.2 million in Chlor Alkali Products and Vinyls and Epoxy, respectively.
Schedule of Finite-Lived Intangible Assets
Intangible assets consisted of the following:
June 30, 2026December 31, 2025June 30, 2025
Gross AmountAccumulated AmortizationNetGross AmountAccumulated AmortizationNetGross AmountAccumulated AmortizationNet
Intangible Assets($ in millions)
Customers, customer contracts and relationships$521.8 $(374.3)$147.5 $524.4 $(358.4)$166.0 $677.6 $(493.7)$183.9 
Trade names3.5 (1.4)2.1 3.5 (1.2)2.3 3.7 (1.0)2.7 
Acquired technology11.4 (9.6)1.8 11.3 (9.4)1.9 94.8 (94.2)0.6 
Other4.9 (0.7)4.2 4.9 (0.7)4.2 7.2 (0.7)6.5 
Total intangible assets$541.6 $(386.0)$155.6 $544.1 $(369.7)$174.4 $783.3 $(589.6)$193.7