Insurance and Contractholder Liabilities (Tables)

6 Months Ended

Jun. 30, 2019

Liability For Unpaid Claims And Claims Adjustment Expense [Line Items]

Liability balance details / activity

		June 30, 2019						December 31, 2018						June 30, 2018
(In millions)		Current		Non-current		Total		Current		Non-current		Total		Total
Contractholder deposit funds	$	626	$	7,257	$	7,883	$	641	$	7,365	$	8,006	$	8,121
Future policy benefits		588		9,127		9,715		740		8,981		9,721		9,707
Unpaid claims and claim expenses
Integrated Medical		2,862		19		2,881		2,678		19		2,697		2,749
Other segments		2,452		3,341		5,793		2,394		3,230		5,624		5,502
Unearned premiums		402		374		776		348		379		727		1,244
Total insurance and contractholder liabilities	$	6,930	$	20,118	$	27,048	$	6,801	$	19,974	$	26,775	$	27,323

Integrated Medical [Member]

Liability For Unpaid Claims And Claims Adjustment Expense [Line Items]

Liability balance details / activity

	Six Months Ended
	June 30,		June 30,
(In millions)	2019		2018
Beginning balance	$	2,697	$	2,420
Less: Reinsurance and other amounts recoverable		264		262
Beginning balance, net		2,433		2,158
Incurred costs related to:
Current year		12,120		10,588
Prior years		(149)		(145)
Total incurred		11,971		10,443
Paid costs related to:
Current year		9,629		8,383
Prior years		2,134		1,704
Total paid		11,763		10,087
Ending balance, net		2,641		2,514
Add: Reinsurance and other amounts recoverable		240		235
Ending balance	$	2,881	$	2,749

Variances in incurred costs related to prior years' medical costs payable

	Six Months Ended
(Dollars in millions)	June 30, 2019			June 30, 2018
		$	%(1)			$	%(2)
Actual completion factors	$	91	0.4	%	$	64	0.3	%
Medical cost trend		58	0.3			72	0.4
Other		-	-			9	-
Total favorable variance	$	149	0.7	%	$	145	0.7	%
(1) Percentage of current year incurred costs as reported for the year ended December 31, 2018.
(2) Percentage of current year incurred costs as reported for the year ended December 31, 2017.

Other Segments [Member]

Liability For Unpaid Claims And Claims Adjustment Expense [Line Items]

Liability balance details / activity

(In millions)	June 30, 2019		June 30, 2018
Group Disability and Other
Group Disability and Life	$	4,827	$	4,573
Other Operations		195		193
Total Group Disability and Other		5,022		4,766
International Markets		771		736
Unpaid claims and claim expenses Group Disability and Other and International Markets	$	5,793	$	5,502

Intenational Markets and Global Disability and Life [Member]

Liability For Unpaid Claims And Claims Adjustment Expense [Line Items]

Liability balance details / activity

	Six Months Ended
(In millions)	June 30, 2019		June 30, 2018
Beginning balance	$	5,432	$	5,274
Less: Reinsurance		156		140
Beginning balance, net		5,276		5,134
Incurred claims related to:
Current year		2,814		2,699
Prior years:
Interest accretion		81		77
All other incurred		(42)		(89)
Total incurred		2,853		2,687
Paid claims related to:
Current year		1,415		1,376
Prior years		1,275		1,271
Total paid		2,690		2,647
Foreign currency		(16)		(14)
Ending balance, net		5,423		5,160
Add: Reinsurance		175		149
Ending balance	$	5,598	$	5,309