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v3.25.1

Medical Costs Payable (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |
Medical costs payable, beginning of period | $ 34,224 | $ 32,395
Acquisitions (dispositions), net | 0 | (687)
Reported medical costs: |  |
Current year | 73,731 | 66,045
Prior year | (320) | (310)
Total reported medical costs | 73,411 | 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) | 0
Medical costs payable, end of period | $ 37,136 | $ 34,032

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