v3.26.1
Net Loss per Share - Reconciliation of Weighted Average Number of Shares Outstanding (Details) - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2020
Numerator:      
Net loss $ (581,000,000) $ (682,000,000)  
Denominator      
Basic weighted average number of shares outstanding (in shares) 1,303,357,874 1,295,377,376  
Diluted weighted average number of shares (in shares) 1,303,357,874 1,295,377,376  
Basic (in dollars per share) $ (0.45) $ (0.53)  
Diluted (in dollars per share) $ (0.45) $ (0.53)  
Common stock equivalents excluded from income (loss) per diluted share because they are anti-dilutive (in shares) 16,275,620 26,471,820  
0.125% Convertible Senior Notes Due 2025 | Convertible Debt      
Denominator      
Aggregate principal amount     $ 920,000,000
Stated interest rate     0.125%
Stock options      
Denominator      
Weighted average effect of dilutive securities (in shares) 0 0  
Common stock equivalents excluded from income (loss) per diluted share because they are anti-dilutive (in shares) 12,211,409 14,767,620  
Restricted share units      
Denominator      
Weighted average effect of dilutive securities (in shares) 0 0  
Common stock equivalents excluded from income (loss) per diluted share because they are anti-dilutive (in shares) 4,058,554 5,300,232  
Convertible senior notes      
Denominator      
Common stock equivalents excluded from income (loss) per diluted share because they are anti-dilutive (in shares) 0 6,388,480  
Deferred share units      
Denominator      
Weighted average effect of dilutive securities (in shares) 0 0  
Common stock equivalents excluded from income (loss) per diluted share because they are anti-dilutive (in shares) 5,657 15,488