INCOME TAXES - Federal Tax Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Foreign pretax loss	$ 3	$ 8	$ 5
Reconciliation between reported income tax expense (benefit) and income taxes calculated by the statutory federal income tax rate
Tax expense at statutory federal rate of 21%	340	282	396
State income taxes, net of federal income tax benefit	70	64	77
Tax benefit attributable to noncontrolling interests	(147)	(122)	(114)
Nondeductible goodwill	0	1	35
Nondeductible executive compensation	6	10	8
Impact of change in state filing method, net of change in unrecognized tax benefit	(20)	0	0
Nondeductible litigation costs	0	0	1
Stock-based compensation tax benefit	(2)	(6)	(5)
Changes in valuation allowance	71	120	2
Prior-year provision to return adjustments and other changes in deferred taxes	(9)	(12)	8
Other items	(3)	7	3
Income tax expense	$ 306	$ 344	$ 411