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EARNINGS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2026
Earnings Per Share [Abstract]  
Schedule of Basic and Diluted Earnings Per Share
Basic and diluted earnings (loss) per share are calculated as follows:

Three Months Ended June 30,Six Months Ended June 30,
In millions, except per share amounts
2026202520262025
Net income (loss)
$(11)$15 $(14)$42 
Weighted average common shares outstanding
39.840.639.740.6
Effect of dilutive securities (a)
0.50.7
Weighted average common shares outstanding - assuming dilution
39.841.139.741.3
Earnings (loss) per share - basic
$(0.28)$0.37 $(0.35)$1.03 
Earnings (loss) per share - diluted
$(0.28)$0.37 $(0.35)$1.02 
Anti-dilutive shares (b)
0.50.20.40.1
(a)    For the three months and six months ended June 30, 2026, 0.2 million and 0.3 million weighted average shares, respectively, were excluded because their inclusion would have an anti-dilutive effect on net loss per share.
(b) 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 (loss) 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.