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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2022
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Expense (Benefit) and Effective Tax Rate The Company’s income tax expense and effective tax rates for the three months ended March 31, 2022 and 2021 were as follows:
 Three Months Ended March 31,
 20222021
 (dollars in millions)
Income tax expense$21 $48 
Effective tax rate12 %12 %