EMPLOYEE BENEFIT PLANS(Assumed Health Care Cost Trend Rates) (Details)	Dec. 31, 2019	Dec. 31, 2018
Retirement Benefits [Abstract]
Next Year (Pre-65) (in percentage)	6.30%	6.50%
Next Year (Post-65) (in percentage)	7.50%	7.80%
Ultimate Rate Assumed (Pre-65 and Post-65) (in percentage)	4.50%	4.50%

Ultimate trend rate for health care cost for defined benefit postretirement plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant