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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2024
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)20242023
Restricted stock units - employees and non-employee directors$9 $7 
Restricted stock awards1 4 
Performance share awards3 5 
   Total stock-based compensation expense$13 $16 
Income tax benefit$— $1 
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 and the period-end fair value of the liability component of the TSR Performance Share Awards:
 Grant Date
February 21, 2024March 31, 2024
Fair value per performance share award $19.38 
$5.24 - $10.61
Assumptions:   
     Stock price volatility38.0 %
23.7% - 37.9%
     Risk-free rate of return4.39 %
4.38% - 5.08%