GOVERNMENT GRANTS AND OTHER ASSISTANCE (Details) - COVID-19 - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Dec. 31, 2020
Unusual or Infrequent Item, or Both [Line Items]
Government grants and other assistance benefit recognized	$ 4
Other Current Assets
Unusual or Infrequent Item, or Both [Line Items]
Grants receivable	$ 28	$ 28

Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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