Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and equivalents	$ 3,757	$ 3,296
Accounts receivable	4,289	4,204
Contracts in process	5,110	4,964
Inventories	2,935	2,776
Other current assets	447	504
Total current assets	16,538	15,744
Noncurrent assets:
Property, plant and equipment, net	3,351	3,403
Intangible assets, net	1,270	1,383
Goodwill	11,909	12,048	[1]
Other assets	1,663	1,731
Total noncurrent assets	18,193	18,565
Total assets	34,731	34,309
Current liabilities:
Accounts payable	2,444	2,469
Customer advances and deposits	6,113	6,042
Other current liabilities	3,284	3,109
Total current liabilities	11,841	11,620
Noncurrent liabilities:
Long-term debt	3,907	3,908
Other liabilities	7,227	7,391
Commitments and contingencies (See Note L)
Total noncurrent liabilities	11,134	11,299
Shareholders' equity:
Common stock	482	482
Surplus	2,043	1,988
Retained earnings	18,677	17,860
Treasury stock	(6,557)	(6,165)
Accumulated other comprehensive loss	(2,889)	(2,775)
Total shareholders' equity	11,756	11,390
Total liabilities and shareholders' equity	$ 34,731	$ 34,309

[1] (a)Goodwill on December 31, 2012, in the Information Systems and Technology reporting unit is net of $1,994 of accumulated impairment losses.