ACCRUED WORKERS' COMPENSATION COSTS - Schedule of Workers' Compensation Cost Activity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Total accrued costs, beginning of period	$ 158	$ 154	$ 158	$ 175
Incurred
Current year	9	8	40	37
Prior years	2	6	(6)	(23)
Total incurred	11	14	34	14
Paid
Current year	(3)	(3)	(5)	(5)
Prior years	(7)	(10)	(28)	(29)
Total paid	(10)	(13)	(33)	(34)
Total accrued costs, end of period	$ 159	$ 155	$ 159	$ 155