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Medical Costs Payable (Tables)
3 Months Ended
Mar. 31, 2025
Insurance [Abstract]  
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense
The following table shows the components of the change in medical costs payable for the three months ended March 31:
(in millions)20252024
Medical costs payable, beginning of period$34,224 $32,395 
Acquisitions (dispositions), net— (687)
Reported medical costs:
Current year73,731 66,045 
Prior years(320)(310)
Total reported medical costs73,411 65,735 
Medical payments:
Payments for current year(43,827)(38,652)
Payments for prior years(26,669)(24,759)
Total medical payments(70,496)(63,411)
Less: increase in medical costs payable included within businesses held for sale(3)— 
Medical costs payable, end of period$37,136 $34,032