SUPPLEMENTAL CASH FLOW & OTHER DATA (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow and Other Data [Line Items]
Operating lease right-of-use assets	$ 620	$ 597
Amended Real Estate Lease
Supplemental Cash Flow and Other Data [Line Items]
Operating lease right-of-use assets	$ 31

Amount of lessee's right to use underlying asset under operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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