DERIVATIVE AND NON-DERIVATIVE FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Mar. 31, 2026

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

The following table presents the notional amounts outstanding at March 31, 2026 and December 31, 2025 associated with Eastman's hedging programs.


Notional Outstanding		March 31, 2026	December 31, 2025

Derivatives designated as cash flow hedges:
Foreign Exchange Forward and Option Contracts (in millions)
	EUR/USD (in EUR)	€291	€357



Commodity Forward and Collar Contracts

	Energy (in million british thermal units)	—	9





Derivatives designated as net investment hedges:
Cross-currency interest rate swaps (in millions)
	EUR/USD (in EUR)	€1,793	€1,707
	JPY/USD (in JPY)	¥7,885	¥7,885

Non-derivatives designated as net investment hedges:
Foreign Currency Net Investment Hedges (in millions)
	EUR/USD (in EUR)	€500	€499

Financial assets and liabilities valued on a recurring basis

The following table presents the financial assets and liabilities valued on a recurring and gross basis and includes where the financial assets and liabilities are located within the Unaudited Consolidated Statements of Financial Position as of March 31, 2026 and December 31, 2025.


The Financial Position and Fair Value Measurements of Hedging Instruments on a Gross Basis
(Dollars in millions)
Derivative Type	Statements of Financial Position Classification	Level 2
		March 31, 2026		December 31, 2025
Derivatives designated as cash flow hedges:


Foreign exchange contracts	Other current assets	$	2	$	1
Foreign exchange contracts	Other noncurrent assets	1		—






Derivatives designated as net investment hedges:
Cross-currency interest rate swaps	Other current assets	1		—
Cross-currency interest rate swaps	Other noncurrent assets	5		1
Total Derivative Assets		$	9	$	2

Derivatives designated as cash flow hedges:
Commodity contracts	Payables and other current liabilities	$	—	$	7

Foreign exchange contracts	Payables and other current liabilities	10		19
Foreign exchange contracts	Other long-term liabilities	—		2






Derivatives designated as net investment hedges:

Cross-currency interest rate swaps	Other long-term liabilities	98		136
Total Derivative Liabilities		$	108	$	164
Total Net Derivative Assets (Liabilities)		$	(99)	$	(162)

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)

The following table presents the effect of the Company's hedging instruments on "Other comprehensive income (loss), net of tax" ("OCI") and financial performance for first quarter 2026 and 2025.


	Change in amount of after tax gain (loss) recognized in OCI on derivatives				Pre-tax amount of gain (loss) reclassified from AOCI into earnings
(Dollars in millions)	First Quarter					First Quarter
Hedging Relationships	2026		2025				2026		2025
Derivatives in cash flow hedging relationships:
Commodity contracts	$	8	$	1			$	5	$	—
Foreign exchange contracts	8		(17)				(5)		4
Forward starting interest rate and treasury lock swap contracts	1		1				(1)		(1)
Non-derivatives in net investment hedging relationships (pre-tax):
Net investment hedges	12		(21)				—		—
Derivatives in net investment hedging relationships (pre-tax):
Cross-currency interest rate swaps	37		(103)				—		—
Cross-currency interest rate swaps excluded component	5		66				—		—

Derivative Instruments, Gain (Loss) [Table Text Block]

The following table presents the effect of fair value and cash flow hedge accounting in the Unaudited Consolidated Statements of Earnings, Comprehensive Income and Retained Earnings for first quarter 2026 and 2025.


Location and Amount of Gain or (Loss) Recognized in Earnings from Fair Value and Cash Flow Hedging Relationships
	First Quarter
	2026						2025
(Dollars in millions)	Sales		Cost of Sales		Net Interest Expense		Sales		Cost of Sales		Net Interest Expense
Total amounts of income and expense line items presented in the Unaudited Consolidated Statements of Earnings, Comprehensive Income and Retained Earnings in which the effects of fair value or cash flow hedges are recognized	$	2,177	$	1,746	$	52	$	2,290	$	1,723	$	49
The effects of fair value and cash flow hedging:




Gain or (loss) on cash flow hedging relationships:
Interest contracts (forward starting interest rate and treasury lock swap contracts):
Amount reclassified from AOCI into earnings					(1)						(1)
Commodity Contracts:
Amount reclassified from AOCI into earnings			5						—
Foreign Exchange Contracts:
Amount reclassified from AOCI into earnings	(5)						4