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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2025
Earnings Per Share [Abstract]  
Schedule of Basic and Diluted Earnings Per Share
Basic and diluted earnings per share are calculated as follows:

Three Months Ended June 30,Six Months Ended June 30,
In millions, except per share amounts
2025202420252024
Net income
$15 $83 $42 $126 
Weighted average common shares outstanding
40.6 41.1 40.6 41.2 
Effect of dilutive securities0.5 0.8 0.7 0.8 
Weighted average common shares outstanding - assuming dilution
41.1 41.9 41.3 42.0 
Earnings per share - basic
$0.37 $2.02 $1.03 $3.06 
Earnings per share - diluted
$0.37 $1.98 $1.02 $3.00 
Anti-dilutive shares (a)
0.2 0.4 0.1 0.4 
(a)    Common stock related to service-based restricted stock units and performance-based restricted stock units were outstanding but excluded from the computation of diluted earnings per share because their effect would be anti-dilutive under the treasury stock method or because the shares were subject to performance conditions that had not been met.