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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Name:	us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2021	Sep. 30, 2021	Mar. 31, 2021
Site Contingency [Line Items]
Accrual for environmental remediation matters		$ 16
Value added tax receivable	$ 81	48	$ 11
Additional receivable recognized	70
Value added tax, income	70
Cost of Sales
Site Contingency [Line Items]
Value added tax, income	42
Interest Expense
Site Contingency [Line Items]
Value added tax, income	$ 28
Svetogorsk, Russia Mill
Site Contingency [Line Items]
Accrual for environmental remediation matters		$ 13