Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Provision For Federal And Foreign Income Tax Expense

(In millions)	2011		2010			2009
Federal income taxes:
Current	$	912	$	600		$	677
Deferred		9		561			557
Total federal income taxes		921		1,161			1,234
Foreign income taxes:
Current		38		8			(4	)
Deferred		5		(5	)		(15	)
Total foreign income taxes		43		3			(19	)
Income tax expense	$	964	$	1,164		$	1,215

Reconciliation Of Income Tax Expense Computed Using The U.S. Statutory Federal Tax Rate To Actual Income Tax Expense

(In millions)	2011			2010			2009
Income tax expense at the U.S. federal statutory tax rate	$	1,271		$	1,322		$	1,465
Increase (decrease) in tax expense:
U.S. manufacturing activity benefit		(106	)		(110	)		(39	)
Tax deductible dividends		(62	)		(56	)		(49	)
Research and development tax credit		(35	)		(43	)		(43	)
IRS appeals and audit resolution		(89	)		(10	)		(69	)
Medicare Part D law change		—			96			—
Other, net		(15	)		(35	)		(50	)
Income tax expense	$	964		$	1,164		$	1,215

Components Of Federal And Foreign Deferred Tax Assets And Liabilities

(In millions)	2011			2010
Deferred tax assets related to:
Accrued compensation and benefits	$	843		$	877
Pensions		4,578			3,642
Other postretirement benefit obligations		487			459
Contract accounting methods		806			531
Sale of discontinued operations		69			179
Foreign company operating losses and credits		31			31
Other		305			202
Valuation allowance (a)		(14	)		(17	)
Deferred tax assets, net		7,105			5,904
Deferred tax liabilities related to:
Goodwill and purchased intangibles		369			336
Property, plant and equipment		638			558
Exchanged debt securities and other (b)		379			391
Deferred tax liabilities		1,386			1,285
Net deferred tax assets (c)	$	5,719		$	4,619

^(a)  A valuation allowance has been provided against certain foreign company deferred tax assets arising from carryforwards of unused tax benefits.

^(b)  Includes deferred tax liabilities associated with the exchange of debt securities in 2010 (see Note 9) and 2006.

^(c)  Includes net foreign current deferred tax liabilities, which are included on the Balance Sheets in other current liabilities.