Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Taxes [Abstract]

Componenets of income taxes

(In millions)	2015		2014		2013
Current taxes
U.S. income taxes	$	1,076	$	1,068	$	382
Foreign income taxes		93		115		77
State income taxes		60		49		42
		1,229		1,232		501
Deferred taxes (benefits)
U.S. income taxes		22		10		152
Foreign income taxes (benefits)		(6)		(22)		46
State income taxes (benefits)		5		(10)		(1)
		21		(22)		197
Total income taxes	$	1,250	$	1,210	$	698

Reconciliation of total taxes to nominal federal rate

(In millions)	2015		2014		2013
Tax expense at nominal rate	$	1,164	$	1,156	$	761
Effect of undistributed foreign earnings		(67)		(74)		(42)
Health insurance industry tax		109		83		-
State income tax (net of federal income tax benefit)		42		25		27
Other		2		20		(48)
Total income taxes	$	1,250	$	1,210	$	698

Schedule of deferred income tax assets and liabilities

(In millions)	2015		2014
Deferred tax assets
Employee and retiree benefit plans	$	535	$	597
Other insurance and contractholder liabilities		465		440
Net operating losses		101		72
Other accrued liabilities		177		203
Other		99		105
Deferred tax assets before valuation allowance		1,377		1,417
Valuation allowance for deferred tax assets		(71)		(49)
Deferred tax assets, net of valuation allowance		1,306		1,368
Deferred tax liabilities
Depreciation and amortization		765		755
Unrealized appreciation on investments and foreign currency translation		152		298
Other		10		22
Total deferred tax liabilities		927		1,075
Net deferred income tax assets	$	379	$	293

Reconciliation of unrecognized tax benefits

(In millions)	2015		2014		2013
Balance at January 1,	$	26	$	17	$	51
Decrease due to prior year positions		-		-		(35)
Increase due to current year positions		7		12		6
Reduction related to lapse of applicable statute of limitations		(2)		(3)		(5)
Balance at December 31,	$	31	$	26	$	17