v3.25.2

RETIREMENT PLANS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
RETIREMENT PLANS (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Other Postretirement Benefits Plan [Member]
Components of net periodic benefit cost [Abstract]
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	6	6	11	12
Expected return on assets	(1)	(2)	(2)	(3)
Prior service credit, net	0	(2)	0	(5)
Net periodic benefit (credit) cost	5	2	9	4
Foreign Plan [Member] \| Pension Plan [Member]
Components of net periodic benefit cost [Abstract]
Service cost	2	2	4	4
Interest cost	6	6	12	12
Expected return on assets	(8)	(7)	(15)	(14)
Prior service credit, net	0	0	0	0
Net periodic benefit (credit) cost	0	1	1	2
UNITED STATES \| Pension Plan [Member]
Components of net periodic benefit cost [Abstract]
Service cost	5	6	9	11
Interest cost	18	19	36	37
Expected return on assets	(23)	(24)	(45)	(48)
Prior service credit, net	0	0	0	0
Net periodic benefit (credit) cost	$ 0	$ 1	$ 0	$ 0

Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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EASTMAN CHEMICAL CO 10-Q