EMPLOYEE BENEFIT PLANS -Summary of Components of Net Periodic Pension Benefit (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Retirement Benefits [Abstract]
Service cost	$ 1	$ 1
Interest cost	16	16
Expected return on plan assets	(17)	(17)
Amortization of actuarial losses	6	5
Net periodic pension cost	$ 6	$ 5

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Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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