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LOSS PER SHARE
 3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
LOSS PER SHARE LOSS PER SHARE
We calculate basic loss per share and diluted loss per share by dividing net loss by the weighted average number of common shares outstanding, excluding restricted shares. Antidilutive common stock equivalents excluded from the diluted earnings per share calculation are not material. The following table shows the computation of basic and diluted loss per share:

Basic and diluted loss per share
Three Months Ended March 31,
(in millions, except per share data)20232022
Net loss$(363)$(940)
Basic weighted average shares outstanding639 637 
Dilutive effect of share-based instruments— — 
Diluted weighted average shares outstanding639 637 
Basic loss per share$(0.57)$(1.48)
Diluted loss per share$(0.57)$(1.48)