GOODWILL AND INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND INTANGIBLES

NOTE 7. GOODWILL AND INTANGIBLE ASSETS

Changes in the carrying value of goodwill were as follows:

	Chlor Alkali Products and Vinyls		Epoxy		Total
	($ in millions)
Balance at January 1, 2022	$	1,275.6	$	145.0	$	1,420.6
Foreign currency translation adjustment	0.1		—		0.1
Balance at March 31, 2022	$	1,275.7	$	145.0	$	1,420.7
Balance at January 1, 2023	$	1,275.8	$	145.1	$	1,420.9
Foreign currency translation adjustment	—		—		—
Balance at March 31, 2023	$	1,275.8	$	145.1	$	1,420.9

Intangible assets consisted of the following:

	March 31, 2023						December 31, 2022						March 31, 2022
	Gross Amount		Accumulated Amortization		Net		Gross Amount		Accumulated Amortization		Net		Gross Amount		Accumulated Amortization		Net
	($ in millions)
Customers, customer contracts and relationships	$	670.2	$	(410.7)	$	259.5	$	669.1	$	(401.2)	$	267.9	$	672.0	$	(371.4)	$	300.6
Acquired technology	93.1		(88.9)		4.2		93.1		(88.3)		4.8		93.5		(80.7)		12.8
Other	1.8		(0.7)		1.1		1.8		(0.7)		1.1		1.8		(0.7)		1.1
Total intangible assets	$	765.1	$	(500.3)	$	264.8	$	764.0	$	(490.2)	$	273.8	$	767.3	$	(452.8)	$	314.5