INCOME TAXES - Income Tax Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Current income taxes: Federal taxes	$ 32	$ 22	$ 61	$ 62
Current income taxes: State taxes	2	1	7	4
Total current income taxes	34	23	68	66
Deferred income taxes: Federal taxes	0	4	8	7
Deferred income taxes: State taxes	1	0	1	1
Total deferred income taxes	1	4	9	8
Income taxes	$ 35	$ 27	$ 77	$ 74
Statutory tax rate	21.00%	21.00%	21.00%	21.00%
Effective tax rate	20.70%	19.70%	20.50%	19.50%