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Health Care Costs Payable
 9 Months Ended
Sep. 30, 2025
Health Care And Other Insurance Liabilities [Abstract]  
Health Care Costs Payable Health Care Costs Payable
The following table shows the components of the change in health care costs payable during the nine months ended September 30, 2025 and 2024:
Nine Months Ended
September 30,
In millions20252024
Health care costs payable, beginning of the period$15,064 $12,049 
Less: Reinsurance recoverables81 5 
Less: Impact of discount rate on long-duration insurance reserves (1)
(1)(23)
Health care costs payable, beginning of the period, net14,984 12,067 
Add: Components of incurred health care costs
  Current year93,496 85,541 
  Prior years(1,926)(845)
Total incurred health care costs (2)
91,570 84,696 
Less: Claims paid
  Current year79,687 71,356 
  Prior years11,567 10,886 
Total claims paid91,254 82,242 
Health care costs payable, end of the period, net15,300 14,521 
Add: Premium deficiency reserves
728 670 
Add: Reinsurance recoverables94 65 
Add: Impact of discount rate on long-duration insurance reserves (1)
(24)(19)
Health care costs payable, end of the period$16,098 $15,237 
_____________________________________________
(1)Reflects the difference between the current discount rate and the locked-in discount rate on long-duration insurance reserves which is recorded within accumulated other comprehensive income (loss) on the unaudited condensed consolidated balance sheets.
(2)Total incurred health care costs for the nine months ended September 30, 2025 and 2024 in the table above exclude $41 million and $70 million, respectively, of health care costs recorded in the Health Care Benefits segment that are included in other insurance liabilities on the unaudited condensed consolidated balance sheets and $133 million and $142 million, respectively, of health care costs recorded in the Corporate/Other segment that are included in other insurance liabilities on the unaudited condensed consolidated balance sheets. Total incurred health care costs for the nine months ended September 30, 2025 also exclude $728 million for premium deficiency reserves for the 2025 coverage year related to the Company’s individual exchange and Group Medicare Advantage product lines. Total incurred health care costs for the nine months ended September 30, 2024 also exclude $670 million for premium deficiency reserves related to the Company’s Medicare, individual exchange and Medicaid product lines.

The Company’s estimates of prior years’ health care costs payable decreased by $1.9 billion and $845 million, respectively, in the nine months ended September 30, 2025 and 2024, because claims were settled for amounts less than originally estimated (i.e., the amount of claims incurred was lower than originally estimated), primarily due to lower health care cost trends as well as the actual claim submission time being faster than originally assumed (i.e., the Company’s completion factors were higher than originally assumed) in estimating health care costs payable at the end of the prior year.

At September 30, 2025, the Company’s liabilities for the ultimate cost of (i) services rendered to the Company’s Insured members but not yet reported to the Company and (ii) claims which have been reported to the Company but not yet paid (collectively, “IBNR”) plus expected development on reported claims totaled approximately $10.6 billion. Substantially all of the Company’s liabilities for IBNR plus expected development on reported claims at September 30, 2025 related to the current year.