Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and equivalents	$ 5,301	$ 3,296
Accounts receivable	4,402	4,204
Contracts in process	4,780	4,964
Inventories	2,968	2,776
Other current assets	435	504
Total current assets	17,886	15,744
Noncurrent assets:
Property, plant and equipment, net	3,415	3,403
Intangible assets, net	1,217	1,383
Goodwill	11,977	12,048
Other assets	953	1,731
Total noncurrent assets	17,562	18,565
Total assets	35,448	34,309
Current liabilities:
Accounts payable	2,248	2,469
Customer advances and deposits	6,584	6,042
Other current liabilities	3,362	3,109
Total current liabilities	12,194	11,620
Noncurrent liabilities:
Long-term debt	3,908	3,908
Other liabilities	4,845	7,391
Commitments and contingencies (see Note N)
Total noncurrent liabilities	8,753	11,299
Shareholders’ equity:
Common stock	482	482
Surplus	2,226	1,988
Retained earnings	19,428	17,860
Treasury stock	(6,450)	(6,165)
Accumulated other comprehensive loss	(1,185)	(2,775)
Total shareholders’ equity	14,501	11,390
Total liabilities and shareholders’ equity	$ 35,448	$ 34,309