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EARNINGS PER SHARE (Tables)
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Reconciliation of earnings and number of shares used in calculation of basic and diluted earnings or loss per share
The tables below illustrate the reconciliation of the earnings and number of shares used in our calculation of basic and diluted earnings per share attributable to common stockholders.
(in millions, except per share amounts)202420232022
Net income attributable to common stockholders$218 $254 $391 
Shares for basic earnings per share35.4 36.5 40.4 
Basic earnings per share$6.16 $6.96 $9.69 
(in millions, except per share amounts)202420232022
Net income attributable to common stockholders$218 $254 $391 
Add back of interest expense related to convertible notes, net of tax
19 19 5 
Numerator used to calculate diluted earnings per share
$237 $273 $396 
Shares for basic earnings per share35.4 36.5 40.4 
Effect of dilutive shares outstanding
Employee SARs— 0.1 0.2 
Restricted stock units0.1 0.3 0.3 
2022 Convertible Notes
— — 0.7 
2026 Convertible Notes
3.6 3.5 3.4 
2027 Convertible Notes
3.0 3.1 0.2 
Shares for diluted earnings per share42.1 43.5 45.2 
Diluted earnings per share$5.61 $6.28 $8.77 
The computations of diluted earnings per share attributable to common stockholders above exclude approximately 222,000, 193,000, and 129,000 shares of common stock, the maximum number of shares issuable as of December 31, 2024, December 31, 2023, and December 31, 2022, respectively, upon the vesting of certain performance-based awards, because the performance conditions required to be met for the shares subject to such awards to vest were not achieved by the end of the reporting period.