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CONTINGENCIES (Details) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2021 USD ($) site	Dec. 31, 2020 USD ($) site
Commitments and Contingencies Disclosure [Abstract]
Loss contingency accrual	$ 10
Waste disposal sites with potential liability under the comprehensive environmental response, compensation and liability act | site	26	26
Accrual for indicated environmental liabilities	$ 6	$ 7

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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Amount of loss contingency liability.

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-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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