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INCOME TAX
 9 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
INCOME TAX INCOME TAXOur effective income tax rates for the three and nine months ended September 30, 2021 were 15.5% and 16.3%, respectively. Our effective income tax rates for the three and nine months ended September 30, 2021 differed favorably from the U.S. statutory rate primarily as a result of foreign interest income not subject to tax, tax credits and the foreign-derived intangible income deduction. Our effective income tax rate for the nine months ended September 30, 2021 also included the effect of enacted tax law changes in the U.K. which required a remeasurement of deferred tax balances raising the effective rate, and was favorably affected by a change in the assessment of the need for a valuation allowance related to foreign tax credit carryforwards. The effective rate for each period includes the effects of applicable state income taxes.Our effective income tax rates for the three and nine months ended September 30, 2020 were 18.0% and 14.1%, respectively. Our effective income tax rate for the three months ended September 30, 2020 differed from the U.S. statutory rate primarily due to tax credits, foreign interest income not subject to tax, the foreign-derived intangible income deduction, changes in uncertain tax positions and the tax effect of a U.K. statutory income tax rate change that took effect during the quarter. Our effective income tax rate for the nine months ended September 30, 2020 differed from the U.S. statutory rate primarily due to tax credits, foreign interest income not subject to tax, the foreign-derived intangible income deduction and excess tax benefits of share-based awards. The effective rate for each period includes the effects of applicable state income taxes.