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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Summary of Share-Based Compensation Expense Income Tax Benefit Awards Issued Under Incentive Plans
Stock-based compensation expense of awards issued under the Company’s incentive plans, and the income tax benefit of awards vested and exercised, are as follows:
Three Months Ended 
March 31,
(In millions)20232022
Restricted stock units - employees and non-employee directors$$
Restricted stock awards
Performance share awards
Deferred performance shares— 
   Total stock-based compensation expense$16 $23 
Income tax benefit$$
Assumptions to Determine the Grant Date Fair Value of the Equity Component and the Period-end Fair Value of the Liability The following assumptions were used to determine the grant date fair value of the equity component on February 21, 2023 and the period-end fair value of the liability component of the TSR Performance Share Awards:
 Grant DateMarch 31,
2023
Fair value per performance share award $17.18 
$10.92 - $11.99
Assumptions:   
     Stock price volatility44.8 %
41.8% - 43.4%
     Risk-free rate of return4.40 %
3.8% - 4.1%