Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482686/350-30-45-1

Name:	us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

GOODWILL AND OTHER INTANGIBLE ASSETS - Impaired Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Schedule Of Intangible Assets By Major Class [Line Items]
Intangible assets	$ 1,565	$ 1,602
European building and technical insulation trade name
Schedule Of Intangible Assets By Major Class [Line Items]
Intangible assets	89
Global cellular glass insulation trademark
Schedule Of Intangible Assets By Major Class [Line Items]
Intangible assets	80
Components branded roofing trademark
Schedule Of Intangible Assets By Major Class [Line Items]
Intangible assets	$ 42