Condensed Consolidating Balance Sheet (Detail) - USD ($) $ in Millions	Jul. 05, 2015	Dec. 31, 2014		Jun. 29, 2014	Dec. 31, 2013
Current assets:
Cash and equivalents	$ 4,032	$ 4,388		$ 3,841	$ 5,301
Accounts receivable	3,595	4,050
Contracts in process	4,273	4,591
Inventories
Work in process	1,992	1,828
Raw materials	1,325	1,290
Finished goods	23	28
Pre-owned aircraft	19	75
Other current assets	514	1,157
Total current assets	15,773	17,407
Noncurrent assets:
Property, plant and equipment	7,441	7,292
Accumulated depreciation of PP&E	(4,112)	(3,963)
Intangible assets	2,377	2,398
Accumulated amortization of intangible assets	(1,536)	(1,486)
Goodwill	11,644	11,731	[1]
Other assets	2,067	1,976
Investment in subsidiaries	0	0
Total noncurrent assets	17,881	17,948
Total assets	33,654	35,355
Current liabilities:
Short-term debt	2	501
Customer advances and deposits	6,104	7,335
Other current liabilities	6,602	5,915
Total current liabilities	12,708	13,751
Noncurrent liabilities:
Long-term debt	3,411	3,410
Other liabilities	6,259	6,365
Total noncurrent liabilities	9,670	9,775
Intercompany	0	0
Shareholders' equity:
Common stock	482	482
Other shareholders' equity	10,794	11,347
Total shareholders' equity	11,276	11,829		13,119	14,501
Total liabilities and shareholders' equity	33,654	35,355
Parent Company [Member]
Current assets:
Cash and equivalents	2,296	2,536		2,882	4,179
Accounts receivable	0	0
Contracts in process	534	542
Inventories
Work in process	0	0
Raw materials	0	0
Finished goods	0	0
Pre-owned aircraft	0	0
Other current assets	135	781
Total current assets	2,965	3,859
Noncurrent assets:
Property, plant and equipment	150	148
Accumulated depreciation of PP&E	(56)	(52)
Intangible assets	0	0
Accumulated amortization of intangible assets	0	0
Goodwill	0	0
Other assets	1,586	1,479
Investment in subsidiaries	38,516	37,449
Total noncurrent assets	40,196	39,024
Total assets	43,161	42,883
Current liabilities:
Short-term debt	0	500
Customer advances and deposits	0	0
Other current liabilities	1,407	1,298
Total current liabilities	1,407	1,798
Noncurrent liabilities:
Long-term debt	3,387	3,386
Other liabilities	3,414	3,514
Total noncurrent liabilities	6,801	6,900
Intercompany	23,677	22,356
Shareholders' equity:
Common stock	482	482
Other shareholders' equity	10,794	11,347
Total shareholders' equity	11,276	11,829
Total liabilities and shareholders' equity	43,161	42,883
Guarantor Subsidiaries [Member]
Current assets:
Cash and equivalents	0	0		0	0
Accounts receivable	1,260	1,379
Contracts in process	2,703	2,966
Inventories
Work in process	1,980	1,818
Raw materials	1,292	1,260
Finished goods	15	20
Pre-owned aircraft	19	75
Other current assets	206	215
Total current assets	7,475	7,733
Noncurrent assets:
Property, plant and equipment	6,186	6,035
Accumulated depreciation of PP&E	(3,367)	(3,246)
Intangible assets	1,444	1,484
Accumulated amortization of intangible assets	(1,079)	(1,042)
Goodwill	8,026	8,095
Other assets	239	213
Investment in subsidiaries	0	0
Total noncurrent assets	11,449	11,539
Total assets	18,924	19,272
Current liabilities:
Short-term debt	2	1
Customer advances and deposits	3,222	3,529
Other current liabilities	3,499	3,511
Total current liabilities	6,723	7,041
Noncurrent liabilities:
Long-term debt	24	24
Other liabilities	2,353	2,369
Total noncurrent liabilities	2,377	2,393
Intercompany	(23,051)	(22,557)
Shareholders' equity:
Common stock	6	6
Other shareholders' equity	32,869	32,389
Total shareholders' equity	32,875	32,395
Total liabilities and shareholders' equity	18,924	19,272
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and equivalents	1,736	1,852		959	1,122
Accounts receivable	2,335	2,671
Contracts in process	1,036	1,083
Inventories
Work in process	12	10
Raw materials	33	30
Finished goods	8	8
Pre-owned aircraft	0	0
Other current assets	173	161
Total current assets	5,333	5,815
Noncurrent assets:
Property, plant and equipment	1,105	1,109
Accumulated depreciation of PP&E	(689)	(665)
Intangible assets	933	914
Accumulated amortization of intangible assets	(457)	(444)
Goodwill	3,618	3,636
Other assets	242	284
Investment in subsidiaries	0	0
Total noncurrent assets	4,752	4,834
Total assets	10,085	10,649
Current liabilities:
Short-term debt	0	0
Customer advances and deposits	2,882	3,806
Other current liabilities	1,696	1,106
Total current liabilities	4,578	4,912
Noncurrent liabilities:
Long-term debt	0	0
Other liabilities	492	482
Total noncurrent liabilities	492	482
Intercompany	(626)	201
Shareholders' equity:
Common stock	2,043	2,043
Other shareholders' equity	3,598	3,011
Total shareholders' equity	5,641	5,054
Total liabilities and shareholders' equity	10,085	10,649
Consolidating Adjustments [Member]
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	0	0
Investment in subsidiaries	(38,516)	(37,449)
Total noncurrent assets	(38,516)	(37,449)
Total assets	(38,516)	(37,449)
Current liabilities:
Short-term debt	0	0
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	(2,049)	(2,049)
Other shareholders' equity	(36,467)	(35,400)
Total shareholders' equity	(38,516)	(37,449)
Total liabilities and shareholders' equity	$ (38,516)	$ (37,449)

[1] Goodwill on December 31, 2014, in the Information Systems and Technology reporting unit is net of $1,994 of accumulated impairment losses.