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Loss Per Share (Tables)
3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
Schedule of earnings per share, basic and diluted
The following table shows how we computed loss per common share for the three months ended March 31, 2023 and 2022 (dollars and share data in millions):
Three Months Ended March 31,
 20232022
Net loss$(192)$(255)
Weighted average basic shares327.6 320.5 
Effect of dilutive securities— — 
Weighted average diluted shares327.6 320.5 
Loss per common share
Basic$(0.58)$(0.79)
Diluted$(0.58)$(0.79)