Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Contingency [Line Items]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

:

(in millions)	2014			2013		2012
Current Provision:
Federal	$	3,883		$	3,004	$	2,638
State and local	271			237		150
Total current provision	4,154			3,241		2,788
Deferred provision	(117		)	1		308
Total provision for income taxes	$	4,037		$	3,242	$	3,096

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

(in millions, except percentages)	2014					2013					2012
Tax provision at the U.S. federal statutory rate	$	3,380		35.0	%	$	3,120		35.0	%	$	3,018		35.0	%
Industry tax	469			4.8		—			—		—			—
State income taxes, net of federal benefit	154			1.6		126			1.4		143			1.7
Tax-exempt investment income	(49		)	(0.5	)	(53		)	(0.6	)	(59		)	(0.7	)
Non-deductible compensation	96			1.0		39			0.5		22			0.2
Other, net	(13		)	(0.1	)	10			0.1		(28		)	(0.3	)
Provision for income taxes	$	4,037		41.8	%	$	3,242		36.4	%	$	3,096		35.9	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

(in millions)	2014			2013
Deferred income tax assets:
Accrued expenses and allowances	$	313		$	284
U.S. federal and state net operating loss carryforwards	172			257
Share-based compensation	141			200
Long-term liabilities	222			170
Medical costs payable and other policy liabilities	120			155
Non-U.S. tax loss carryforwards	257			110
Unearned revenues	90			65
Unrecognized tax benefits	38			38
Other-domestic	36			57
Other-non-U.S.	141			89
Subtotal	1,530			1,425
Less: valuation allowances	(119		)	(207		)
Total deferred income tax assets	1,411			1,218
Deferred income tax liabilities:
U.S. federal and state intangible assets	(1,275		)	(1,207		)
Non-U.S. goodwill and intangible assets	(496		)	(453		)
Capitalized software	(506		)	(481		)
Net unrealized gains on investments	(129		)	(31		)
Depreciation and amortization	(272		)	(268		)
Prepaid expenses	(140		)	(137		)
Other-non-U.S.	(102		)	(7		)
Total deferred income tax liabilities	(2,920		)	(2,584		)
Net deferred income tax liabilities	$	(1,509	)	$	(1,366	)

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits as of December 31 is as follows:

(in millions)	2014			2013			2012
Gross unrecognized tax benefits, beginning of period	$	89		$	81		$	129
Gross increases:
Current year tax positions	—			8			6
Prior year tax positions	4			5			18
Gross decreases:
Prior year tax positions	—			—			(48		)
Settlements	—			—			(10		)
Statute of limitations lapses	(1		)	(5		)	(14		)
Gross unrecognized tax benefits, end of period	$	92		$	89		$	81

A reconciliation of the beginning and ending amount of unrecognized tax benefits as of December 31 is as follows:

(in millions)	2014			2013			2012
Gross unrecognized tax benefits, beginning of period	$	89		$	81		$	129
Gross increases:
Current year tax positions	—			8			6
Prior year tax positions	4			5			18
Gross decreases:
Prior year tax positions	—			—			(48		)
Settlements	—			—			(10		)
Statute of limitations lapses	(1		)	(5		)	(14		)
Gross unrecognized tax benefits, end of period	$	92		$	89		$	81