Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and equivalents	$ 4,388	$ 5,301
Accounts receivable	4,050	4,370
Contracts in process	4,591	4,780
Inventories	3,221	2,890
Other current assets	1,157	821
Total current assets	17,407	18,162
Noncurrent assets:
Property, plant and equipment, net	3,329	3,359
Intangible assets, net	912	1,044
Goodwill	11,731	11,932
Other assets	1,976	997
Total noncurrent assets	17,948	17,332
Total assets	35,355	35,494
Current liabilities:
Short-term debt and current portion of long-term debt	501	1
Accounts payable	2,057	2,216
Customer advances and deposits	7,335	6,584
Other current liabilities	3,858	3,458
Total current liabilities	13,751	12,259
Noncurrent liabilities:
Long-term debt	3,410	3,908
Other liabilities	6,365	4,826
Commitments and contingencies (see Note N)
Total noncurrent liabilities	9,775	8,734
Shareholders’ equity:
Common stock	482	482
Surplus	2,548	2,226
Retained earnings	21,127	19,428
Treasury stock	(9,396)	(6,450)
Accumulated other comprehensive loss	(2,932)	(1,185)
Total shareholders’ equity	11,829	14,501
Total liabilities and shareholders’ equity	$ 35,355	$ 35,494