Global Health Care Medical Costs Payable (Tables) - Global Health Benefits Segment [Member]

3 Months Ended

Mar. 31, 2017

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

Components of Global Health Care medical costs payable

	March 31,		March 31,
(In millions)	2017		2016
Incurred but not reported	$	2,088	$	1,960
Reported claims in process		542		506
Physician incentives and other medical care expenses and services payable		140		180
Global Health Care medical costs payable	$	2,770	$	2,646

	Three Months Ended
(Dollars in millions)	March 31, 2017			March 31, 2016
		$	%(1)			$	%(2)
Actual completion factors	$	78	0.4	%	$	51	0.3	%
Medical cost trend		98	0.5			28	0.1
Other (3)		-	-			(15)	(0.1)
Total favorable (unfavorable) variance	$	176	0.9	%	$	64	0.3	%
(1) Percentage of current year incurred costs as reported for the year ended December 31, 2016.
(2) Percentage of current year incurred costs as reported for the year ended December 31, 2015.
(3) Other amounts in 2016 related to increased medical costs in the Government segment resulting from additional provider risk sharing.

Activity in medical costs payable

	Three Months Ended
	March 31,		March 31,
(In millions)	2017		2016
Beginning balance	$	2,532	$	2,355
Less: Reinsurance and other amounts recoverable		275		243
Beginning balance, net		2,257		2,112
Incurred costs related to:
Current year		5,161		4,825
Prior years		(176)		(64)
Total incurred		4,985		4,761
Paid costs related to:
Current year		3,219		2,985
Prior years		1,509		1,449
Total paid		4,728		4,434
Ending balance, net		2,514		2,439
Add: Reinsurance and other amounts recoverable		256		207
Ending balance	$	2,770	$	2,646