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

9 Months Ended

Sep. 30, 2015

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

Schedule of medical costs payable balance

	September 30,		December 31,
(In millions)	2015		2014
Incurred but not yet reported	$	1,876	$	1,777
Reported claims in process		474		288
Physician incentives and other medical care expenses and services payable		109		115
Global Health Care medical costs payable	$	2,459	$	2,180

Schedule of medical costs payable activity

	For the period ended
	September 30,		December 31,
(In millions)	2015		2014
Balance at January 1,	$	2,180	$	2,050
Less: Reinsurance and other amounts recoverable		252		194
Balance at January 1, net		1,928		1,856
Incurred costs related to:
Current year		13,923		16,853
Prior years		(203)		(159)
Total incurred		13,720		16,694
Paid costs related to:
Current year		11,868		14,966
Prior years		1,552		1,656
Total paid		13,420		16,622
Ending Balance, net		2,228		1,928
Add: Reinsurance and other amounts recoverable		231		252
Ending Balance	$	2,459	$	2,180