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Loss Per Share - Computed Basic and Diluted Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Earnings Per Share [Abstract]    
Net loss $ (192) $ (255)
Weighted average basic shares (in shares) 327.6 320.5
Effect of dilutive securities (in shares) 0.0 0.0
Weighted average diluted shares (in shares) 327.6 320.5
Basic (in dollars per share) $ (0.58) $ (0.79)
Diluted (in dollars per share) $ (0.58) $ (0.79)