Condensed Consolidating Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified	Apr. 05, 2015	Dec. 31, 2014		Mar. 30, 2014	Dec. 31, 2013
Current assets:
Cash and equivalents	$ 4,412	$ 4,388		$ 4,296	$ 5,301
Accounts receivable	3,661	4,050
Contracts in process	4,444	4,591
Inventories
Work in process	1,980	1,828
Raw materials	1,327	1,290
Finished goods	23	28
Pre-owned aircraft	67	75
Other current assets	438	1,157
Total current assets	16,352	17,407
Noncurrent assets:
Property, plant and equipment	7,364	7,292
Accumulated depreciation of PP&E	(4,041)	(3,963)
Intangible assets	2,408	2,398
Accumulated amortization of intangible assets	(1,515)	(1,486)
Goodwill	11,699	11,731	[1]
Other assets	2,118	1,976
Investment in subsidiaries	0	0
Total noncurrent assets	18,033	17,948
Total assets	34,385	35,355
Current liabilities:
Short-term debt	1	501
Customer advances and deposits	6,487	7,335
Other current liabilities	6,624	5,915
Total current liabilities	13,112	13,751
Noncurrent liabilities:
Long-term debt	3,410	3,410
Other liabilities	6,343	6,365
Total noncurrent liabilities	9,753	9,775
Intercompany	0	0
Shareholders' equity:
Common stock	482	482
Other shareholders' equity	11,038	11,347
Total shareholders' equity	11,520	11,829		13,690	14,501
Total liabilities and shareholders' equity	34,385	35,355
Parent Company [Member]
Current assets:
Cash and equivalents	2,599	2,536		3,374	4,180
Accounts receivable	0	0
Contracts in process	546	542
Inventories
Work in process	0	0
Raw materials	0	0
Finished goods	0	0
Pre-owned aircraft	0	0
Other current assets	81	781
Total current assets	3,226	3,859
Noncurrent assets:
Property, plant and equipment	150	148
Accumulated depreciation of PP&E	(54)	(52)
Intangible assets	0	0
Accumulated amortization of intangible assets	0	0
Goodwill	0	0
Other assets	1,611	1,479
Investment in subsidiaries	38,078	37,449
Total noncurrent assets	39,785	39,024
Total assets	43,011	42,883
Current liabilities:
Short-term debt	0	500
Customer advances and deposits	0	0
Other current liabilities	1,444	1,298
Total current liabilities	1,444	1,798
Noncurrent liabilities:
Long-term debt	3,387	3,386
Other liabilities	3,487	3,514
Total noncurrent liabilities	6,874	6,900
Intercompany	23,173	22,356
Shareholders' equity:
Common stock	482	482
Other shareholders' equity	11,038	11,347
Total shareholders' equity	11,520	11,829
Total liabilities and shareholders' equity	43,011	42,883
Guarantor Subsidiaries [Member]
Current assets:
Cash and equivalents	0	0		0	0
Accounts receivable	1,310	1,379
Contracts in process	2,787	2,966
Inventories
Work in process	1,969	1,818
Raw materials	1,293	1,260
Finished goods	18	20
Pre-owned aircraft	67	75
Other current assets	207	215
Total current assets	7,651	7,733
Noncurrent assets:
Property, plant and equipment	6,119	6,035
Accumulated depreciation of PP&E	(3,312)	(3,246)
Intangible assets	1,482	1,484
Accumulated amortization of intangible assets	(1,065)	(1,042)
Goodwill	8,122	8,095
Other assets	249	213
Investment in subsidiaries	0	0
Total noncurrent assets	11,595	11,539
Total assets	19,246	19,272
Current liabilities:
Short-term debt	1	1
Customer advances and deposits	3,373	3,529
Other current liabilities	3,424	3,511
Total current liabilities	6,798	7,041
Noncurrent liabilities:
Long-term debt	23	24
Other liabilities	2,369	2,369
Total noncurrent liabilities	2,392	2,393
Intercompany	(22,580)	(22,557)
Shareholders' equity:
Common stock	6	6
Other shareholders' equity	32,630	32,389
Total shareholders' equity	32,636	32,395
Total liabilities and shareholders' equity	19,246	19,272
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and equivalents	1,813	1,852		922	1,121
Accounts receivable	2,351	2,671
Contracts in process	1,111	1,083
Inventories
Work in process	11	10
Raw materials	34	30
Finished goods	5	8
Pre-owned aircraft	0	0
Other current assets	150	161
Total current assets	5,475	5,815
Noncurrent assets:
Property, plant and equipment	1,095	1,109
Accumulated depreciation of PP&E	(675)	(665)
Intangible assets	926	914
Accumulated amortization of intangible assets	(450)	(444)
Goodwill	3,577	3,636
Other assets	258	284
Investment in subsidiaries	0	0
Total noncurrent assets	4,731	4,834
Total assets	10,206	10,649
Current liabilities:
Short-term debt	0	0
Customer advances and deposits	3,114	3,806
Other current liabilities	1,756	1,106
Total current liabilities	4,870	4,912
Noncurrent liabilities:
Long-term debt	0	0
Other liabilities	487	482
Total noncurrent liabilities	487	482
Intercompany	(593)	201
Shareholders' equity:
Common stock	2,043	2,043
Other shareholders' equity	3,399	3,011
Total shareholders' equity	5,442	5,054
Total liabilities and shareholders' equity	10,206	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	(38,078)	(37,449)
Total noncurrent assets	(38,078)	(37,449)
Total assets	(38,078)	(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	(36,029)	(35,400)
Total shareholders' equity	(38,078)	(37,449)
Total liabilities and shareholders' equity	$ (38,078)	$ (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.