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Intangible Assets
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
13. INTANGIBLE ASSETS
Intangible assets consist of:
     
Remaining
weighted average
useful life in years
     
2024
     2023  
Cost
        
Customer relationship intangibles
   
 
3
 
   
$
473
 
   $ 514  
Patents and Technology
   
 
6
 
   
 
572
 
     613  
Computer software and other licenses
   
 
4
 
   
 
593
 
     621  
     
 
  1,638
 
  
 
   1,748
 
Accumulated depreciation
        
Customer relationship intangibles
      
 
(249
) 
     (236 ) 
Patents and Technology
      
 
(215
) 
     (163 ) 
Computer software and other licenses
            
 
(436
) 
     (473 ) 
             
$
738
 
   $ 876  
The Company recorded $167 million and $137 million of amortization expense related to finite-lived intangible assets for the years ended December 31, 2024 and 2023, respectively. The Company currently estimates annual amortization expense to be $156 million for 2025, $140 million for 2026, $127 million for 2027, $111 million for 2028 and $98 million for 2029.