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Segment Information (Tables)
3 Months Ended
Mar. 31, 2026
Segment Reporting [Abstract]  
Schedule of Segment Information
Segment information for the three months ended March 31, 2026, is as follows ($ in millions):
 MedicaidMedicareCommercialOther/EliminationsConsolidated Total
Premium$23,573 $10,326 $9,555 $433 $43,887 
Service23 — 744 768 
Premium and service revenues23,596 10,326 9,556 1,177 44,655 
Premium tax5,289 — — — 5,289 
Total external revenues28,885 10,326 9,556 1,177 49,944 
Internal revenues— — — 4,146 4,146 
Eliminations— — — (4,146)(4,146)
Total revenues$28,885 $10,326 $9,556 $1,177 $49,944 
Medical costs$21,955 $8,772 $7,198 $378 $38,303 
Cost of services23 — — 679 702 
Other operating expenses (1)
9,078 
Other income (expense) (2)
238 
Earnings before income tax$2,099 
Segment gross margin (3)
$1,618 $1,554 $2,358 $120 $5,650 
(1)
Other operating expenses include selling, general and administrative expenses, depreciation, amortization, premium tax expense and impairment.
(2)
Other income (expense) includes investment and other income, debt extinguishment and interest expense.
(3)
Segment gross margin represents premium and service revenues less medical costs and cost of services.
Segment information for the three months ended March 31, 2025, is as follows ($ in millions):
 MedicaidMedicareCommercialOther/EliminationsConsolidated Total
Premium$22,275 $8,759 $10,148 $530 $41,712 
Service24 — 752 777 
Premium and service revenues22,299 8,759 10,149 1,282 42,489 
Premium tax4,131 — — — 4,131 
Total external revenues26,430 8,759 10,149 1,282 46,620 
Internal revenues— — — 4,164 4,164 
Eliminations— — — (4,164)(4,164)
Total revenues$26,430 $8,759 $10,149 $1,282 $46,620 
Medical costs$20,843 $7,555 $7,607 $498 $36,503 
Cost of services24 — — 674 698 
Other operating expenses (1)
7,885 
Other income (expense) (2)
212 
Earnings before income tax$1,746 
Segment gross margin (3)
$1,432 $1,204 $2,542 $110 $5,288 
(1)
Other operating expenses include selling, general and administrative expenses, depreciation, amortization, premium tax expense and impairment.
(2)
Other income (expense) includes investment and other income, debt extinguishment and interest expense.
(3)
Segment gross margin represents premium and service revenues less medical costs and cost of services.