Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Income before Provision for Income Taxes, Classified by Source of Income

Income before provision for income taxes, classified by source of income, was as follows:

In millions	2013		2012		2011
U.S.	$	2,912.7	$	2,879.7	$	3,202.8
Outside the U.S.	5,291.8		5,199.3		4,809.4
Income before provision for income taxes	$	8,204.5	$	8,079.0	$	8,012.2

Provision for Income Taxes, Classified by Timing and Location of Payment

The provision for income taxes, classified by the timing and location of payment, was as follows:

In millions	2013			2012			2011
U.S. federal	$	1,238.2		$	1,129.9		$	1,173.4
U.S. state	175.0			189.8			165.2
Outside the U.S.	1,180.2			1,160.0			982.1
Current tax provision	2,593.4			2,479.7			2,320.7
U.S. federal	46.2			144.9			189.0
U.S. state	(6.7		)	5.5			8.6
Outside the U.S.	(14.3		)	(15.9		)	(9.2		)
Deferred tax provision	25.2			134.5			188.4
Provision for income taxes	$	2,618.6		$	2,614.2		$	2,509.1

Net Deferred Tax Liabilities

Net deferred tax liabilities consisted of:

In millions	December 31, 2013				2012
Property and equipment		$	1,812.4		$	1,713.9
Other		639.8			636.4
Total deferred tax liabilities		2,452.2			2,350.3
Property and equipment		(407.9		)	(403.6		)
Employee benefit plans		(388.9		)	(362.9		)
Intangible assets		(210.1		)	(258.0		)
Deferred foreign tax credits		(192.3		)	(179.5		)
Operating loss carryforwards		(154.0		)	(92.4		)
Other		(347.6		)	(319.4		)
Total deferred tax assets before valuation allowance		(1,700.8		)	(1,615.8		)
Valuation allowance		172.8			127.0
Net deferred tax liabilities		$	924.2		$	861.5
Balance sheet presentation:
Deferred income taxes		$	1,647.7		$	1,531.1
Other assets-miscellaneous		(621.4		)	(603.6		)
Current assets-prepaid expenses and other current assets		(102.1		)	(66.0		)
Net deferred tax liabilities		$	924.2		$	861.5

Statutory U.S. Federal Income Tax Rate Reconciliation to Effective Income Tax Rates

The statutory U.S. federal income tax rate reconciles to the effective income tax rates as follows:

	2013		2012		2011
Statutory U.S. federal income tax rate	35.0	%	35.0	%	35.0	%
State income taxes, net of related federal income tax benefit	1.3		1.6		1.4
Benefits and taxes related to foreign operations	(4.0	)	(4.1	)	(4.7	)
Other, net	(0.4	)	(0.1	)	(0.4	)
Effective income tax rates	31.9	%	32.4	%	31.3	%

Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits

The following table presents a reconciliation of the beginning and ending amounts of unrecognized tax benefits:

In millions	2013			2012
Balance at January 1	$	482.4		$	565.0
Decreases for positions taken in prior years	(38.3		)	(65.7		)
Increases for positions taken in prior years	29.4			36.9
Increases for positions related to the current year	53.8			47.3
Settlements with taxing authorities	(2.4		)	(95.8		)
Lapsing of statutes of limitations	(12.2		)	(5.3		)
Balance at December 31(1)	$	512.7		$	482.4

(1) Of this amount, $495.1 million and $481.7 million are included in long-term liabilities for 2013 and 2012, respectively, and $16.8 million is included in current liabilities - income taxes for 2013 on the Consolidated balance sheet. The remainder is included in deferred income taxes on the Consolidated balance sheet.