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ENVIRONMENTAL MATTERS AND ASSET RETIREMENT OBLIGATIONS
 3 Months Ended
Mar. 31, 2023
Accrual for Environmental Loss Contingencies Disclosure [Abstract]  
Environmental Matters ENVIRONMENTAL MATTERS AND ASSET RETIREMENT OBLIGATIONSCertain Eastman manufacturing facilities generate hazardous and nonhazardous wastes, of which the treatment, storage, transportation, and disposal are regulated by various governmental agencies. In connection with the cleanup of various hazardous waste sites, the Company, along with many other entities, has been designated a potentially responsible party ("PRP") by the U.S. Environmental Protection Agency under the Comprehensive Environmental Response, Compensation and Liability Act, which potentially subjects PRPs to joint and several liability for certain cleanup costs. In addition, the Company will incur costs for environmental remediation and closure and post-closure under the federal Resource Conservation and Recovery Act. Reserves for environmental contingencies have been established in accordance with Eastman's policies described in Note 1, "Significant Accounting Policies", to the consolidated financial statements in Part II, Item 8 of the Company's 2022 Annual Report on Form 10-K. The resolution of uncertainties related to environmental matters may have a material adverse effect on the Company's consolidated results of operations in the period recognized. However, because of the availability of legal defenses, the Company's preliminary assessment of actions that may be required, and the extended period of time that the obligations are expected to be satisfied, management does not believe that the Company's liability for these environmental matters, individually or in the aggregate, will have a material adverse effect on the Company's future overall financial position, results of operations, or cash flows.
Environmental Remediation and Environmental Asset Retirement Obligations

The Company's net environmental reserve for environmental contingencies, including remediation costs and asset retirement obligations, is included as part of "Other noncurrent assets", "Payables and other current liabilities", and "Other long-term liabilities" on the Unaudited Consolidated Statements of Financial Position as follows:
(Dollars in millions)March 31, 2023December 31, 2022
Environmental contingencies, current$15 $10 
Environmental contingencies, long-term260 264 
Total$275 $274 

Environmental Remediation

Estimated future environmental expenditures for undiscounted remediation costs ranged from the best estimate or minimum of $243 million to the maximum of $455 million and from the best estimate or minimum of $245 million to the maximum of $457 million at March 31, 2023 and December 31, 2022, respectively. The best estimate or minimum estimated future environmental expenditures are considered to be probable and reasonably estimable.

Reserves for environmental remediation include liabilities expected to be paid within approximately 30 years. The amounts charged to pre-tax earnings for environmental remediation and related charges are recognized in "Cost of sales" and "Other (income) charges, net" in the Unaudited Consolidated Statements of Earnings, Comprehensive Income and Retained Earnings.

Changes in the reserves for environmental remediation liabilities during first three months 2023 and full year 2022 are summarized below:
(Dollars in millions)Environmental Remediation Liabilities
Balance at December 31, 2021$253 
Changes in estimates recognized in earnings and other6 
Cash reductions(14)
Balance at December 31, 2022245 
Changes in estimates recognized in earnings and other1 
Cash reductions(3)
Balance at March 31, 2023$243 

Environmental Asset Retirement Obligations

An asset retirement obligation is an obligation for the retirement of a tangible long-lived asset that is incurred upon the acquisition, construction, development, or normal operation of that long-lived asset. Environmental asset retirement obligations primarily consist of closure and post-closure costs. For sites that have environmental asset retirement obligations, the best estimate recognized to date for these environmental asset retirement obligation costs were $32 million and $29 million at March 31, 2023 and December 31, 2022, respectively.

Non-Environmental Asset Retirement Obligations

The Company has contractual asset retirement obligations not associated with environmental liabilities. Eastman's non-environmental asset retirement obligations are primarily associated with the future closure of leased manufacturing assets in Pace, Florida and Oulu, Finland. These non-environmental asset retirement obligations were $52 million and $51 million at March 31, 2023 and December 31, 2022, respectively, and are included in "Other long-term liabilities" on the Unaudited Consolidated Statements of Financial Position.