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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2022
Income Tax Disclosure [Abstract]  
Provision for Income Tax and Effective Tax Provision Rate The following table presents our provision for income tax and effective tax provision rate:
Three Months Ended March 31,
20222021
(Dollars in millions)
Income before income taxes$68 $194 
Provision for income taxes15 45 
Effective tax provision rate22.0 %23.0 %