Condensed Consolidated Statements of Financial Position (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 3,148	$ 3,002
Accounts receivable, net of progress payments	3,119	2,964
Inventoried costs, net of progress payments	704	873
Deferred tax assets	504	496
Prepaid expenses and other current assets	225	411
Total current assets	7,700	7,746
Property, plant, and equipment, net of accumulated depreciation of $4,094 in 2012 and $3,933 in 2011	2,935	3,047
Goodwill	12,344	12,374
Non-current deferred tax assets	838	900
Other non-current assets	1,409	1,344
Total assets	25,226	25,411
Liabilities
Trade accounts payable	1,191	1,481
Accrued employees compensation	1,020	1,196
Advance payments and billings in excess of costs incurred	1,826	1,777
Other current liabilities	1,571	1,681
Total current liabilities	5,608	6,135
Long-term debt, net of current portion	3,932	3,935
Pension and post-retirement plan liabilities	4,067	4,079
Other non-current liabilities	904	926
Total liabilities	14,511	15,075
Commitments and contingencies (Note 8)
Shareholders' Equity
Preferred stock, $1 par value; 10,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $1 par value; 800,000,000 shares authorized; issued and outstanding: 2012 - 248,039,410; 2011 - 253,889,622	248	254
Paid-in capital	3,443	3,873
Retained earnings	10,419	9,699
Accumulated other comprehensive loss	(3,395)	(3,490)
Total shareholders' equity	10,715	10,336
Total liabilities and shareholders' equity	$ 25,226	$ 25,411