Medical Claims and Benefits Payable (Tables)

9 Months Ended

Sep. 30, 2018

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 (including amounts payable for the provision of long-term services and supports, or LTSS) as of the dates indicated:



	September 30, 2018		December 31, 2017
	(In millions)
Fee-for-service claims incurred but not paid (IBNP)	$	1,609	$	1,717
Pharmacy payable	121		112
Capitation payable	48		67
Other	264		296
	$	2,042	$	2,192

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) less than the actual amount of the liability based on information (principally the payment of claims) developed since that liability was first reported.



	Nine Months Ended September 30,
	2018			2017
	(In millions)
Medical claims and benefits payable, beginning balance	$	2,192		$	1,929
Components of medical care costs related to:
Current period	11,589			12,813
Prior periods	(227		)	9
Total medical care costs	11,362			12,822

Change in non-risk provider payables	60			172

Payments for medical care costs related to:
Current period	9,866			10,944
Prior periods	1,706			1,501
Total paid	11,572			12,445
Medical claims and benefits payable, ending balance	$	2,042		$	2,478