Medical Claims and Benefits Payable (Tables)

3 Months Ended

Mar. 31, 2019

Other Liabilities Disclosure [Abstract]

Schedule of liability for unpaid claims and claims adjustment expense

The following table provides the details of our medical claims and benefits payable as of the dates indicated.



	March 31, 2019		December 31, 2018
	(In millions)
Fee-for-service claims incurred but not paid (“IBNP”)	$	1,411	$	1,562
Pharmacy payable	114		115
Capitation payable	59		52
Other	411		232
	$	1,995	$	1,961

Components of change in medical claims and benefits payable

The following table presents 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 periods” represent the amounts by which our original estimate of medical claims and benefits payable at the beginning of the period were more than the actual amount of the liability based on information (principally the payment of claims) developed since that liability was first reported.



	Three Months Ended March 31,
	2019			2018
	(In millions)
Medical claims and benefits payable, beginning balance	$	1,961		$	2,192
Components of medical care costs related to:
Current period	3,560			4,033
Prior periods ⁽¹⁾	(189		)	(311		)
Total medical care costs	3,371			3,722

Change in non-risk provider payables	171			45

Payments for medical care costs related to:
Current period	2,197			2,498
Prior periods	1,311			1,438
Total paid	3,508			3,936
Medical claims and benefits payable, ending balance	$	1,995		$	2,023

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(1)	March 31, 2018, includes the 2018 benefit of the 2017 Marketplace CSR reimbursement of $70 million.