EMPLOYEE BENEFITS PLANS (Reconciliation of Changes in Fair Value of Level III Assets) (Details) - Level 3 - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Beginning of Period	$ 27	$ 28
Actual Return on Plan Assets:
Assets Held at Reporting Date	5	0
Purchases, Sales, and Settlements	(2)	(1)
End of Period	30	27
Private Equity
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Beginning of Period	4	5
Actual Return on Plan Assets:
Assets Held at Reporting Date	2	0
Purchases, Sales, and Settlements	(2)	(1)
End of Period	4	4
Real Estate
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Beginning of Period	23	23
Actual Return on Plan Assets:
Assets Held at Reporting Date	3	0
Purchases, Sales, and Settlements	0	0
End of Period	$ 26	$ 23