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Goodwill and Intangible Assets
6 Months Ended
Jun. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
As discussed in Note 1. Organization and Operations, in the first quarter of 2023 the Company updated its segment structure. Prior year information has been adjusted to reflect the change in segment reporting.

The following table summarizes the changes in goodwill by operating segment ($ in millions):
 MedicaidMedicareCommercialOtherConsolidated Total
Balance, December 31, 2021$10,194 $1,592 $5,424 $2,561 $19,771 
Acquisition and purchase accounting adjustments— — — 1,077 1,077 
Divestitures— — — (1,533)(1,533)
Reallocation— — (4)— 
Impairments— — — (370)(370)
Translation impact— — — (133)(133)
Balance, December 31, 2022$10,198 $1,592 $5,424 $1,598 $18,812 
Divestitures— — — (152)(152)
Translation impact— — — 56 56 
Balance, June 30, 2023$10,198 $1,592 $5,424 $1,502 $18,716