GOVERNMENT GRANTS AND OTHER ASSISTANCE (Details) - COVID-19 - USD ($) $ in Millions	3 Months Ended	4 Months Ended	9 Months Ended	15 Months Ended
Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2021
Unusual or Infrequent Item, or Both [Line Items]
Government Grant And Other Assistance Benefit (Expense)	$ 22		$ (137)	$ 122	$ 131
Grants receivable					$ 28
Government Grant and other assistance benefit that was returned, cash paid		$ 107	$ 107

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