INCOME TAXES - EFFECTIVE INCOME TAX RECONCILIATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
U.S. federal tax rate	21.00%	35.00%	35.00%
Income before income tax	$ 323	$ 79	$ 629
Expected tax expense	68	17	132
Nondeductible expenses	14	11	10
State income taxes	17	5	20
Valuation allowance	(1)	(4)	1
Tax credits	(3)	(5)	(2)
FIN48 reserve	(5)	(1)	3
Tax law changes	0	0	(14)
Effective Income Tax Rate Reconciliation State and Local Income Sourcing, Amount	(5)	(2)	0
Other—net	3	0	1
Income tax expense	$ 88	$ 21	$ 151
Effective tax rate	27.10%	26.20%	24.00%