EMPLOYEE BENEFIT PLANS - FUNDED STATUS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Benefit obligation
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	$ 0	$ 0	$ 11
Qualified Defined Benefit [Member]
Benefit obligation
Beginning of year	2,758	2,934
Service cost	45	52	46
Actuarial (gain) loss	(628)	(171)
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(172)	(117)
End of year	2,079	2,758	2,934
Defined Benefit Plan Service Cost, including early-out expense	46	56
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	9	0
Defined Benefit Interest Cost, PBO	66	56
Plan assets at fair value
Beginning of year	2,695	2,488
Actual return on plan assets	(629)	224
Employer contributions	0	100
Defined Benefit Plan, Plan Assets, Benefits Paid	(172)	(117)
End of year	1,894	2,695	$ 2,488
Funded status (unfunded)	$ (185)	$ (63)
Percent funded	91.00%	98.00%
Accumulated benefit obligation	$ 2,000	$ 2,700
Defined Benefit Plan, Plan Assets, Benefits Paid	$ 172	$ 117