v3.8.0.1

Medical Claims Liability (Tables)

12 Months Ended

Dec. 31, 2017

Insurance [Abstract]

Schedule Of Change In Medical Claims Liability by Operating Segment

The following table summarizes the change in medical claims liability ($ in millions):

		Year Ended December 31,
		2017				2016				2015
Balance, January 1		$	3,929			$	2,298			$	1,723
Less: reinsurance recoverable		5				—				—
Balance, January 1, net		3,924				2,298				1,723
Acquisitions		—				1,482				79
Incurred related to:
Current year		38,225				30,946				17,471
Prior years		(374		)		(310		)		(229		)
Total incurred		37,851				30,636				17,242
Paid related to:
Current year		34,196				28,532				15,279
Prior years		3,311				1,960				1,467
Total paid		37,507				30,492				16,746
Balance at December 31, net		4,268				3,924				2,298
Reinsurance recoverable		18				5				—
Balance, December 31		$	4,286			$	3,929			$	2,298

Short-duration Insurance Contracts, Claims Development

Incurred and paid claims development as of December 31, 2017 is as follows ($ in millions):

Cumulative Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance
For the Years Ended December 31,
Claim Year		2015 (unaudited)				2016 (unaudited)				2017
2015		$	30,619			$	30,325			$	30,310
2016						34,655				34,296
2017										38,225
		Total incurred claims								$	102,831
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance
For the Years Ended December 31,
Claim Year		2015 (unaudited)				2016 (unaudited)				2017
2015		$	27,664			$	30,031			$	30,297
2016						31,043				34,070
2017										34,196
		Total payment of incurred claims								$	98,563
		Medical claims liability, net of reinsurance								$	4,268

Information is summarized as follows (in millions):

	December 31, 2017
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance				Total IBNR Plus Expected Development on Reported Claims				Cumulative Paid Claims
2015				$				30,310					$	—			156.7
2016	34,296				48				179.1
2017	38,225				3,330				192.0

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- References

No definition available.

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- Definition

Tabular disclosure of the activity in the reserve for settling insured claims and expenses incurred in the claims settlement process for the period. The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claim adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437

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- Definition

Tabular disclosure of undiscounted information about claims development by accident year for short-duration insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 4B
-URI http://asc.fasb.org/extlink&oid=65670685&loc=SL65671311-158438

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