XML 142 R121.htm IDEA: XBRL DOCUMENT v3.25.0.1
Goodwill and Intangible Assets - Analysis of goodwill and intangible assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Goodwill      
Goodwill, beginning of year $ 345 $ 342  
Goodwill, acquisitions 246 [1] 0  
Goodwill, impairment   (2)  
Goodwill, foreign currency translation adjustment (20) [2] 5  
Goodwill, end of year 571 345 $ 342
Intangible assets (indefinite life)      
Intangible assets with an indefinite life, beginning of year 70 69  
Intangible assets with an indefinite life, acquisitions 9 [1] 0  
Impairment   0  
Intangible assets with an indefinite life, foreign currency translation adjustment 0 [2] 1  
Intangible assets with an indefinite life, end of year 79 70 69
Intangible assets (finite life)      
Intangible assets with a finite life, beginning of year 316 393  
Intangible assets with a finite life, acquisitions 637 [1] 11  
Intangible assets with a finite life, amortization (235) (95) (106)
Intangible assets with a finite life, impairment   0  
Intangible assets with a finite life, foreign currency translation adjustment (17) [2] 7  
Intangible assets with a finite life, end of year 701 316 393
Total      
Goodwill and intangible assets, beginning of year 731 804  
Goodwill and intangible assets, acquisitions 892 11  
Goodwill and intangible assets impairment   (2)  
Goodwill and intangible assets, foreign currency movements and other adjustments (37) [2] 13  
Goodwill and intangible assets, end of year 1,351 731 804
Reconciliation of gross to net      
Gross balance 2,380 1,523  
Accumulated amortization (994) (766)  
Foreign currency movements and other adjustments (35) (26)  
Goodwill and intangible assets 1,351 731 $ 804
Goodwill      
Total      
Goodwill and intangible assets, beginning of year 345    
Goodwill and intangible assets, end of year 571 345  
Reconciliation of gross to net      
Gross balance 576 348  
Foreign currency movements and other adjustments (5) (3)  
Goodwill and intangible assets 571 $ 345  
Intangible assets with an indefinite life      
Total      
Goodwill and intangible assets, end of year 79    
Reconciliation of gross to net      
Gross balance 80    
Foreign currency movements and other adjustments (1)    
Goodwill and intangible assets 79    
Intangible assets with a finite life      
Total      
Goodwill and intangible assets, end of year 701    
Reconciliation of gross to net      
Gross balance 1,724    
Accumulated amortization (994)    
Foreign currency movements and other adjustments (29)    
Goodwill and intangible assets $ 701    
[1] Certain amounts for the Company’s 2024 acquisitions are consideredprovisional.
[2] Amount primarily related to the sale of Castel Underwriting Agencies Limited.