Consolidated Statements of Financial Position (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 3,002	$ 3,701
Accounts receivable, net of progress payments	2,964	3,329
Inventoried costs, net of progress payments	873	896
Deferred tax assets	496	392
Prepaid expenses and other current assets	411	244
Assets of discontinued operations	0	5,212
Total current assets	7,746	13,774
Property, Plant, and Equipment
Land and land improvements	375	363
Buildings and improvements	1,433	1,363
Machinery and other equipment	4,143	3,972
Capitalized software costs	444	451
Leasehold improvements	585	608
Property, plant and equipment, gross	6,980	6,757
Accumulated depreciation	(3,933)	(3,712)
Property, plant, and equipment, net	3,047	3,045
Other Assets
Goodwill	12,374	12,376
Other purchased intangibles, net of accumulated amortization of $1,650 in 2011 and $1,613 in 2010	155	192
Pension and post-retirement plan assets	153	320
Long-term deferred tax assets	900	628
Miscellaneous other assets	1,036	1,075
Total other assets	14,618	14,591
Total assets	25,411	31,410
Current Liabilities
Notes payable to banks and current portion of long-term debt	13	784
Trade accounts payable	1,481	1,573
Accrued employees' compensation	1,196	1,146
Advance payments and billings in excess of costs incurred	1,777	1,969
Other current liabilities	1,668	1,763
Liabilities of discontinued operations	0	2,792
Total current liabilities	6,135	10,027
Long-term debt, net of current portion	3,935	3,940
Pension and post-retirement plan liabilities	4,079	3,089
Other long-term liabilities	926	918
Total liabilities	15,075	17,974
Shareholders' Equity
Preferred Stock, $1 par value; 10,000,000 shares authorized; no shares issued and outstanding in 2011 and 2010
Common stock, $1 par value; 800,000,000 shares authorized; issued and outstanding: 2011- 253,889,622; 2010 - 290,956,752	254	291
Paid-in capital	3,873	7,778
Retained earnings	9,699	8,124
Accumulated other comprehensive loss	(3,490)	(2,757)
Total shareholders' equity	10,336	13,436
Total liabilities and shareholders' equity	$ 25,411	$ 31,410