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INCOME TAXES
3 Months Ended
Mar. 31, 2020
Income Tax Disclosure [Abstract]  
PROVISION FOR INCOME TAXES INCOME TAXES
 First Quarter
(Dollars in millions)20202019
$%$%
Provision for income taxes and tax rate$56  18 %$55  21 %

First quarter 2019 effective tax rate included adjustments to the tax provision to reflect planned amendments to and expected finalization of a prior year's income tax return in a foreign jurisdiction resulting in a higher effective tax rate compared to first quarter 2020.

At March 31, 2020, Eastman had $202 million in unrecognized tax benefits. At the end of the first quarter, it is reasonably possible that, as a result of the resolution of federal, state, and foreign examinations and appeals, and the expiration of various statutes of limitation, the total amounts of unrecognized tax benefits could decrease by $28 million within the next 12 months.