Condensed Consolidating Financial Statements - Condensed Consolidating Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and equivalents	$ 5,301	$ 3,296	$ 2,649	$ 2,613
Accounts receivable	4,402	4,204
Contracts in process	4,780	4,964
Inventories
Work in process	1,635	1,518
Raw materials	1,258	1,109
Finished goods	57	69
Pre-owned aircraft	18	80
Other current assets	435	504
Total current assets	17,886	15,744
Noncurrent assets:
Property, plant and equipment	7,248	7,003
Accumulated depreciation of PP&E	(3,833)	(3,600)
Intangible assets	2,844	2,915
Accumulated amortization of intangible assets	(1,627)	(1,532)
Goodwill	11,977	12,048	13,576
Other assets	953	1,731
Investment in subsidiaries	0	0
Total noncurrent assets	17,562	18,565
Total assets	35,448	34,309	34,883
Current liabilities:
Customer advances and deposits	6,584	6,042
Other current liabilities	5,610	5,578
Total current liabilities	12,194	11,620
Noncurrent liabilities:
Long-term debt	3,908	3,908
Other liabilities	4,845	7,391
Total noncurrent liabilities	8,753	11,299
Intercompany	0	0
Shareholders’ equity:
Common stock	482	482
Other shareholders' equity	14,019	10,908
Total shareholders’ equity	14,501	11,390	13,232	13,316
Total liabilities and shareholders’ equity	35,448	34,309
Parent
Current assets:
Cash and equivalents	4,175	2,248	1,530	1,608
Accounts receivable	0	0
Contracts in process	571	439
Inventories
Work in process	0	0
Raw materials	0	0
Finished goods	0	0
Pre-owned aircraft	0	0
Other current assets	35	45
Total current assets	4,781	2,732
Noncurrent assets:
Property, plant and equipment	156	155
Accumulated depreciation of PP&E	(64)	(56)
Intangible assets	0	0
Accumulated amortization of intangible assets	0	0
Goodwill	0	0
Other assets	558	700
Investment in subsidiaries	36,067	33,324
Total noncurrent assets	36,717	34,123
Total assets	41,498	36,855
Current liabilities:
Customer advances and deposits	0	0
Other current liabilities	763	394
Total current liabilities	763	394
Noncurrent liabilities:
Long-term debt	3,883	3,881
Other liabilities	2,335	4,121
Total noncurrent liabilities	6,218	8,002
Intercompany	20,016	17,069
Shareholders’ equity:
Common stock	482	482
Other shareholders' equity	14,019	10,908
Total shareholders’ equity	14,501	11,390
Total liabilities and shareholders’ equity	41,498	36,855
Guarantors on a Combined Basis
Current assets:
Cash and equivalents	0	0	0	0
Accounts receivable	1,451	1,254
Contracts in process	3,124	3,199
Inventories
Work in process	1,623	1,507
Raw materials	1,172	1,020
Finished goods	24	32
Pre-owned aircraft	18	80
Other current assets	202	249
Total current assets	7,614	7,341
Noncurrent assets:
Property, plant and equipment	5,827	5,556
Accumulated depreciation of PP&E	(3,062)	(2,850)
Intangible assets	1,614	1,693
Accumulated amortization of intangible assets	(1,111)	(1,068)
Goodwill	7,631	7,661
Other assets	483	738
Investment in subsidiaries	0	0
Total noncurrent assets	11,382	11,730
Total assets	18,996	19,071
Current liabilities:
Customer advances and deposits	3,493	3,052
Other current liabilities	3,643	3,743
Total current liabilities	7,136	6,795
Noncurrent liabilities:
Long-term debt	25	27
Other liabilities	2,008	2,704
Total noncurrent liabilities	2,033	2,731
Intercompany	(20,108)	(17,388)
Shareholders’ equity:
Common stock	6	6
Other shareholders' equity	29,929	26,927
Total shareholders’ equity	29,935	26,933
Total liabilities and shareholders’ equity	18,996	19,071
Other Subsidiaries on a Combined Basis
Current assets:
Cash and equivalents	1,126	1,048	1,119	1,005
Accounts receivable	2,951	2,950
Contracts in process	1,085	1,326
Inventories
Work in process	12	11
Raw materials	86	89
Finished goods	33	37
Pre-owned aircraft	0	0
Other current assets	198	210
Total current assets	5,491	5,671
Noncurrent assets:
Property, plant and equipment	1,265	1,292
Accumulated depreciation of PP&E	(707)	(694)
Intangible assets	1,230	1,222
Accumulated amortization of intangible assets	(516)	(464)
Goodwill	4,346	4,387
Other assets	398	328
Investment in subsidiaries	0	0
Total noncurrent assets	6,016	6,071
Total assets	11,507	11,742
Current liabilities:
Customer advances and deposits	3,091	2,990
Other current liabilities	1,204	1,441
Total current liabilities	4,295	4,431
Noncurrent liabilities:
Long-term debt	0	0
Other liabilities	502	566
Total noncurrent liabilities	502	566
Intercompany	92	319
Shareholders’ equity:
Common stock	3,570	44
Other shareholders' equity	3,048	6,382
Total shareholders’ equity	6,618	6,426
Total liabilities and shareholders’ equity	11,507	11,742
Consolidating Adjustments
Current assets:
Cash and equivalents	0	0	0	0
Accounts receivable	0	0
Contracts in process	0	0
Inventories
Work in process	0	0
Raw materials	0	0
Finished goods	0	0
Pre-owned aircraft	0	0
Other current assets	0	0
Total current assets	0	0
Noncurrent assets:
Property, plant and equipment	0	0
Accumulated depreciation of PP&E	0	0
Intangible assets	0	0
Accumulated amortization of intangible assets	0	0
Goodwill	0	0
Other assets	(486)	(35)
Investment in subsidiaries	(36,067)	(33,324)
Total noncurrent assets	(36,553)	(33,359)
Total assets	(36,553)	(33,359)
Current liabilities:
Customer advances and deposits	0	0
Other current liabilities	0	0
Total current liabilities	0	0
Noncurrent liabilities:
Long-term debt	0	0
Other liabilities	0	0
Total noncurrent liabilities	0	0
Intercompany	0	0
Shareholders’ equity:
Common stock	(3,576)	(50)
Other shareholders' equity	(32,977)	(33,309)
Total shareholders’ equity	(36,553)	(33,359)
Total liabilities and shareholders’ equity	$ (36,553)	$ (33,359)