GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2023

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):

	Roofing		Insulation		Composites		Total
Gross carrying amount at December 31, 2022	$	394	$	1,499	$	425	$	2,318
Acquisitions (see Note 7)	—		—		(1)		(1)
Foreign currency translation	1		21		1		23
Gross carrying amount at December 31, 2023	395		1,520		425		2,340
Accumulated impairment losses at December 31, 2022	—		(935)		—		(935)
Foreign currency translation	—		(13)		—		(13)
Accumulated impairment losses at December 31, 2023	—		(948)		—		(948)
Balance, net of impairment at December 31, 2023	$	395	$	572	$	425	$	1,392

	Roofing		Insulation		Composites		Total
Gross carrying amount at December 31, 2021	$	397	$	1,481	$	75	$	1,953
Acquisitions (see Note 7)	—		62		353		415
Foreign currency translation	(3)		(44)		(3)		(50)
Gross carrying amount at December 31, 2022	394		1,499		425		2,318
Accumulated impairment losses at December 31, 2021	—		(963)		—		(963)
Foreign currency translation	—		28		—		28
Accumulated impairment losses at December 31, 2022	—		(935)		—		(935)
Balance, net of impairment at December 31, 2022	$	394	$	564	$	425	$	1,383

Schedule of Finite-Lived Intangible Assets

Other intangible assets consist of the following (in millions):

	December 31, 2023						December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived trademarks and trade names	$	992	$	—	$	992	$	989	$	—	$	989
Amortizable intangible assets
Customer relationships	614		(283)		331		638		(243)		395
Technology	326		(203)		123		330		(187)		143
Trademarks	12		(2)		10		12		—		12
Other (a)	74		(2)		72		66		(3)		63
Total other intangible assets	$	2,018	$	(490)	$	1,528	$	2,035	$	(433)	$	1,602

(a)    Other primarily includes emissions rights.

Schedule of Indefinite-Lived Intangible Assets

The following table presents the carrying values of these assets as of December 31, 2023 (in millions):

Trade names and trademarks	December 31, 2023
European building and technical insulation trade name	$	90
Global cellular glass insulation trademark	$	80

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):

                                            

Period	Amortization
2024	$	65
2025	$	58
2026	$	44
2027	$	35
2028	$	34