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INCOME TAXES
3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
INCOME TAXES INCOME TAXES
The Company’s provision for income taxes is based upon an estimated annual tax rate for the year applied to federal, state and foreign income. On a quarterly basis, the annual effective tax rate is adjusted, as appropriate, based upon changed facts and circumstances, if any, as compared to those forecasted at the beginning of the fiscal year and each interim period thereafter.

The Company’s effective tax rate for the three months ended March 31, 2021 and 2020 was 31% and 26%, respectively. The 2021 rate was unfavorably impacted by jurisdictions with pretax losses for which no tax benefit could be realized. Additionally, the Company’s effective tax rate includes a net discrete tax benefit of $20 million primarily related to changes to certain withholding rates applied to unremitted earnings. The 2020 rate includes reductions in income tax expense of $4 million related to restructuring expense and $12 million for other one-time adjustments. The other one-time adjustments primarily relate to tax law changes in India that were enacted during the quarter and the release of certain unrecognized tax benefits due to the closure of an audit.
The annual effective tax rates differ from the U.S. statutory rate primarily due to foreign rates which vary from those in the U.S., jurisdictions with pretax losses for which no tax benefit could be realized, U.S. taxes on foreign earnings, the realization of certain business tax credits (including foreign tax credits), and permanent differences between book and tax treatment for certain items (including equity in affiliates’ earnings).