EMPLOYEE BENEFIT PLANS AND POSTRETIREMENT BENEFITS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Reduction of plan liability					$ 100
Amortization period of retirement benefits payable					4 years
2021 Modification of Healthcare Plan | Segment Reconciling Items
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Reduction of plan liability			$ 101
Amortization period of retirement benefits payable			4 years
Benefits modification amortization	$ 6	$ 12	$ 6	$ 12