EMPLOYEE BENEFIT PLANS - NET PENSION EXPENSE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	$ 0	$ 11	$ 0
Qualified Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	52	46	42
Interest cost	56	75	89
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	122	110	95
Amortization of prior service cost	(1)	(1)	(1)
Defined Benefit Plan, Amortization of Gain (Loss)	(37)	(35)	(37)
Net pension expense	$ 22	$ 56	$ 72