v3.26.3
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
$ in Millions
Total
Ordinary Shares
Accumulated other comprehensive loss
Accumulated deficit
Ordinary Shares
Balance at beginning of the period (in shares) at Dec. 31, 2024   691,400,000      
Balance at beginning of the period at Dec. 31, 2024 $ 5,139.0 $ 12,978.8 $ (526.3) $ (7,313.5)  
Increase (Decrease) in Shareholders' Equity          
Vesting of restricted stock units (in shares)   5,100,000      
Share-based award activity (in shares)   (1,700,000)      
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 6.3 $ 6.3      
Stock repurchased and retired (in shares)   (11,700,000)      
Stock Repurchased and Retired During Period, Value (50.0) $ (50.0)      
Net income (loss) (103.9)     (103.9)  
Other comprehensive income (loss) 35.7   35.7    
Balance at end of the period at Mar. 31, 2025 5,027.1 $ 12,935.1 (490.6) (7,417.4)  
Balance at beginning of the period (in shares) at Dec. 31, 2024   691,400,000      
Balance at beginning of the period at Dec. 31, 2024 5,139.0 $ 12,978.8 (526.3) (7,313.5)  
Increase (Decrease) in Shareholders' Equity          
Net income (loss) (204.2)        
Other comprehensive income (loss) 79.9        
Balance at end of the period (in shares) at Sep. 30, 2025         661,400,000
Balance at end of the period at Sep. 30, 2025 4,903.8 12,867.9 (446.4) (7,517.7)  
Balance at beginning of the period at Mar. 31, 2025 5,027.1 12,935.1 (490.6) (7,417.4)  
Increase (Decrease) in Shareholders' Equity          
Vesting of restricted stock units (in shares)         800,000
Share-based award activity (in shares)         (200,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 17.1 $ 17.1      
Stock repurchased and retired (in shares)   (11,500,000)      
Stock Repurchased and Retired During Period, Value (49.5) $ (49.5)      
Net income (loss) (72.0)     (72.0)  
Other comprehensive income (loss) 71.4   71.4    
Balance at end of the period (in shares) at Jun. 30, 2025   683,100,000     672,200,000
Balance at end of the period at Jun. 30, 2025 4,994.1 $ 12,902.7 (419.2) (7,489.4)  
Increase (Decrease) in Shareholders' Equity          
Vesting of restricted stock units (in shares)         1,300,000
Share-based award activity (in shares)         (400,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 15.2 15.2      
Stock repurchased and retired (in shares)         (11,700,000)
Stock Repurchased and Retired During Period, Value (50.0) (50.0)      
Net income (loss) (28.3)     (28.3)  
Other comprehensive income (loss) (27.2)   (27.2)    
Balance at end of the period (in shares) at Sep. 30, 2025         661,400,000
Balance at end of the period at Sep. 30, 2025 4,903.8 $ 12,867.9 (446.4) (7,517.7)  
Balance at beginning of the period (in shares) at Dec. 31, 2025   640,700,000      
Balance at beginning of the period at Dec. 31, 2025 4,842.9 $ 12,810.6 (453.1) (7,514.6)  
Increase (Decrease) in Shareholders' Equity          
Vesting of restricted stock units (in shares)   8,100,000      
Share-based award activity (in shares)   (2,600,000)      
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 8.8 $ 8.8      
Stock repurchased and retired (in shares)   (7,000,000.0)      
Stock Repurchased and Retired During Period, Value (18.1) $ (18.1)      
Net income (loss) (40.2)     (40.2)  
Other comprehensive income (loss) (4.6)   (4.6)    
Balance at end of the period (in shares) at Mar. 31, 2026   639,200,000      
Balance at end of the period at Mar. 31, 2026 4,788.8 $ 12,801.3 (457.7) (7,554.8)  
Balance at beginning of the period (in shares) at Dec. 31, 2025   640,700,000      
Balance at beginning of the period at Dec. 31, 2025 $ 4,842.9 $ 12,810.6 (453.1) (7,514.6)  
Increase (Decrease) in Shareholders' Equity          
Stock repurchased and retired (in shares) (7,000,000.0)        
Stock Repurchased and Retired During Period, Value $ (18.1)        
Net income (loss) (389.6)        
Other comprehensive income (loss) 45.9        
Balance at end of the period (in shares) at Sep. 30, 2026         639,900,000
Balance at end of the period at Sep. 30, 2026 4,514.4 $ 12,825.8 (407.2) (7,904.2)  
Balance at beginning of the period (in shares) at Mar. 31, 2026   639,200,000      
Balance at beginning of the period at Mar. 31, 2026 4,788.8 $ 12,801.3 (457.7) (7,554.8)  
Increase (Decrease) in Shareholders' Equity          
Vesting of restricted stock units (in shares)         600,000
Share-based award activity (in shares)         (100,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 13.9 13.9      
Net income (loss) (268.6)     (268.6)  
Other comprehensive income (loss) 3.4   3.4    
Balance at end of the period (in shares) at Jun. 30, 2026         639,700,000
Balance at end of the period at Jun. 30, 2026 4,537.5 12,815.2 (454.3) (7,823.4)  
Increase (Decrease) in Shareholders' Equity          
Vesting of restricted stock units (in shares)         300,000
Share-based award activity (in shares)         (100,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 10.6 10.6      
Net income (loss) (80.8)     (80.8)  
Other comprehensive income (loss) 47.1   47.1    
Balance at end of the period (in shares) at Sep. 30, 2026         639,900,000
Balance at end of the period at Sep. 30, 2026 $ 4,514.4 $ 12,825.8 $ (407.2) $ (7,904.2)