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Earnings (Loss) Per Share (Tables)
6 Months Ended
Jun. 30, 2023
Earnings Per Share [Abstract]  
Schedule of earnings (loss) per common share
The following table shows how we computed earnings (loss) per common share for the three and six months ended June 30, 2023 and 2022 (dollars and share data in millions):
Three Months Ended June 30,Six Months Ended June 30,
 2023202220232022
Net income (loss)$138 $(188)$(54)$(443)
Weighted average basic shares331.9 323.1 330.0 321.9 
Effect of dilutive securities1.7 — — — 
Weighted average diluted shares$333.6 323.1 $330.0 321.9 
Earnings (loss) per common share
Basic$0.41 $(0.58)$(0.16)$(1.38)
Diluted$0.41 $(0.58)$(0.16)$(1.38)