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Income Taxes
 3 Months Ended
Mar. 31, 2023
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
Our effective income tax rates from continuing operations for the three months ended March 31, 2023 and 2022 were 16.5% and 15.7%, respectively.
We determine our interim tax provision using an Estimated Annual Effective Tax Rate methodology ("EAETR") in accordance with U.S. GAAP. The EAETR is applied to the year-to-date ordinary income, exclusive of discrete items. The tax effects of discrete items are then included to arrive at the total reported interim tax provision. The determination of the EAETR is based upon a number of estimates, including the estimated annual pretax ordinary income in each tax jurisdiction in which we operate. As our projections of ordinary income change throughout the year, the EAETR will change period-to-period. A significant amount of our earnings is generated by our foreign subsidiaries, which tax earnings at lower statutory rates than the United States federal statutory rate. Our future effective tax rates may be materially impacted by a future change in the composition of earnings from foreign and domestic tax jurisdictions. The tax effects of discrete items are recognized in the tax provision in the period they occur in accordance with U.S. GAAP. Depending on various factors, such as the item’s significance in relation to total income and the rate of tax applicable in the jurisdiction to which it relates, discrete items in any quarter can materially impact the reported effective tax rate. As a global enterprise, our tax expense can be impacted by changes in tax rates or laws, the finalization of tax audits and reviews, as well as other factors. As a result, there can be significant volatility in interim tax provisions.