Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Tax Disclosure [Abstract]

Components Of Earnings Before Income Taxes Between Domestic and Foreign Jurisdictions

The components of earnings before income taxes were:

Years ended December 31,	2012		2011		2010
U.S.		$5,647		$5,083		$4,310
Non-U.S.	263		310		197
Total		$5,910		$5,393		$4,507

Schedule Of Income Tax Expense/(Benefit)

Income tax expense/(benefit) consisted of the following:

Years ended December 31,	2012			2011			2010
Current tax expense
U.S. federal		$657			($605	)		$13
Non-U.S.	52			93			80
U.S. state	19			(22		)	(137		)
Total current	728			(534		)	(44		)
Deferred tax expense
U.S. federal	1,209			1,856			969
Non-U.S.	(13		)	(8		)	(13		)
U.S. state	83			68			284
Total deferred	1,279			1,916			1,240
Total income tax expense		$2,007			$1,382			$1,196

Schedule Of Reconciliation Of U.S. Federal Statutory Tax Rate To Our Effective Income Tax Rate

The following is a reconciliation of the U.S. federal statutory tax rate of 35% to our effective income tax rate:

Years ended December 31,	2012		2011		2010
U.S. federal statutory tax	35.0	%	35.0	%	35.0	%
Research and development credits	0.8		(2.7	)	(3.5	)
Tax on international activities	(1.2	)	(0.6	)	(1.2	)
Tax deductible dividends	(0.7	)	(0.8	)	(0.9	)
State income tax provision, net of effect on U.S. federal tax	0.8		0.7		1.8
Medicare Part D law change					3.3
Federal audit settlement			(7.4	)	(8.2	)
Other provision adjustments	(0.7	)	1.4		0.2
Effective income tax rate	34.0	%	25.6	%	26.5	%

Significant Components Of Deferred Tax Assets Net Of Deferred Tax Liabilities

Significant components of our deferred tax assets, net of deferred tax liabilities, at December 31 were as follows:

	2012			2011
Retiree health care accruals		$2,867			$2,820
Inventory and long-term contract methods of income recognition, fixed assets and other (net of valuation allowance of $27 and $27)	(7,151		)	(5,189		)
Partnerships and joint ventures	(162		)	(228		)
Other employee benefits accruals	1,427			1,352
In-process research and development related to acquisitions	37			51
Net operating loss, credit and capital loss carryovers (net of valuation allowance of $94 and $74)	307			488
Pension asset	6,232			5,315
Customer and commercial financing	(1,078		)	(1,471		)
Unremitted earnings of non-U.S. subsidiaries	(49		)	(66		)
Other net unrealized losses	(17		)	69
Net deferred tax assets(1)		$2,413			$3,141

⁽¹⁾  Of the deferred tax asset for net operating loss and credit carryovers, $201 expires in years ending from December 31, 2013 through December 31, 2032 and $106 may be carried over indefinitely.

Net Deferred Tax Assets and Liabilities

Net deferred tax assets at December 31 were as follows:

	2012			2011
Deferred tax assets		$16,580			$16,181
Deferred tax liabilities	(14,046		)	(12,939		)
Valuation allowance	(121		)	(101		)
Net deferred tax assets		$2,413			$3,141

Schedule Of Unrecognized Tax Benefits Roll Forward

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

	2012			2011			2010
Unrecognized tax benefits – January 1		$939			$1,198			$1,787
Gross increases – tax positions in prior periods	55			154			95
Gross decreases – tax positions in prior periods	(20		)	(383		)	(465		)
Gross increases – current-period tax positions	83			28			76
Gross decreases – current-period tax positions	(1		)	(15		)	(40		)
Settlements	(1		)	(42		)	(254		)
Lapse of statute of limitations				(1		)	(1		)
Unrecognized tax benefits – December 31		$1,055			$939			$1,198