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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
The following table summarizes the changes in goodwill by operating segment ($ in millions):
 MedicaidMedicareCommercialOtherConsolidated Total
Balance, December 31, 2022$10,198 $1,592 $5,424 $1,598 $18,812 
Divestitures— — — (912)(912)
Impairments— — — (392)(392)
Translation impact— — — 50 50 
Balance, December 31, 2023$10,198 $1,592 $5,424 $344 $17,558 
Current year activity— — — — — 
Balance, December 31, 2024$10,198 $1,592 $5,424 $344 $17,558 

In 2023, divestiture related activity in goodwill included the completed divestiture of Apixio as well as $760 million of goodwill reclassified to other current assets associated with the divestiture of Circle Health, which was considered held for sale as of December 31, 2023.

The Company's Other segment impairments in 2023 were driven by the Circle Health and Operose Health divestitures.
Intangible assets at December 31, consist of the following ($ in millions):
 Weighted Average Useful Life in Years
 2024202320242023
Purchased contract rights and customer relationships$7,845 $7,845 13.513.5
Trade names943 943 15.615.6
Provider contracts612 612 14.014.0
Developed technologies298 298 4.44.4
Intangible assets9,698 9,698 13.413.4
Less: accumulated amortization   
Purchased contract rights and customer relationships(3,348)(2,768) 
Trade names(383)(320) 
Provider contracts(271)(227) 
Developed technologies(287)(282)
Total accumulated amortization(4,289)(3,597) 
Intangible assets, net$5,409 $6,101  

Amortization expense was $692 million, $718 million and $817 million for the years ended December 31, 2024, 2023 and 2022, respectively. Estimated total amortization expense related to the December 31, 2024 intangible assets for each of the five succeeding fiscal years is as follows ($ in millions):
Estimated Total Amortization Expense
2025$690 
2026673 
2027663 
2028662 
2029558