The following tables present the components of the change in our medical claims and benefits payable for the periods indicated. The amounts presented for “Components of medical care costs related to: Prior years” represent the amount by which our original estimate of medical claims and benefits payable at the beginning of the year varied from the actual liabilities, based on information (principally the payment of claims) developed since those liabilities were first reported.


	Three Months Ended March 31, 2026
	Medicaid		Medicare		Marketplace		Other		Consolidated

	(In millions)
Medical claims and benefits payable, beginning balance	$	3,638	$	688	$	547	$	14	$	4,887
Components of medical care costs related to:
Current year	7,449		1,434		634		6		9,523
Prior years	(153)		(71)		(26)		(3)		(253)
Total medical care costs	7,296		1,363		608		3		9,270
Payments for medical care costs related to:
Current year	4,717		818		344		4		5,883
Prior years	2,688		532		405		3		3,628
Total paid	7,405		1,350		749		7		9,511

Change in non-risk and other payables	295		—		—		—		295
Medical claims and benefits payable, ending balance	$	3,824	$	701	$	406	$	10	$	4,941


	Three Months Ended March 31, 2025
	Medicaid		Medicare		Marketplace		Other		Consolidated

	(In millions)
Medical claims and benefits payable, beginning balance	$	3,667	$	722	$	251	$	—	$	4,640
Components of medical care costs related to:
Current year	7,495		1,352		795		23		9,665
Prior years	(156)		(56)		26		—		(186)
Total medical care costs	7,339		1,296		821		23		9,479
Payments for medical care costs related to:
Current year	4,593		721		458		17		5,789
Prior years	2,760		623		287		14		3,684
Total paid	7,353		1,344		745		31		9,473
Acquired balances, net of post-acquisition adjustments	—		122		88		35		245
Change in non-risk and other payables	(87)		—		—		—		(87)
Medical claims and benefits payable, ending balance	$	3,566	$	796	$	415	$	27	$	4,804

IBNP totaled $2,942 million as of March 31, 2026, and includes the costs of claims incurred as of the balance sheet date which have been reported to us, and our best estimate of the cost of claims incurred but not yet reported to us. Our estimates of medical claims and benefits payable recorded at December 31, 2025, and 2024 developed favorably by approximately $253 million and $186 million as of March 31, 2026, and 2025, respectively.