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Net Loss Per Share - Computation of Basic and Diluted Net Income (Loss) per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Basic and diluted net loss per share:    
Net loss attributable to common stockholders, basic $ (612.0) $ (38.5)
Net loss attributable to common stockholders, diluted $ (612.0) $ (38.5)
Weighted average shares outstanding:    
Common stock (in shares) 213.2 211.4
Number of shares used in per share computations (in shares) 213.2 211.4
Net loss per share, basic (in dollars per share) $ (2.87) $ (0.18)
Net loss per share, diluted (in dollars per share) $ (2.87) $ (0.18)