Segment Information - Summary of Segment Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 31, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Sales
Net products sales									$ 7,189	$ 7,586	$ 7,549
Net services sales									5,433	5,521	5,605
Consolidated total									12,622	13,107	13,154
Operating Income
Impairment charge											(43)
Operating income	306	306	290	310	339	319	328	322	1,212	1,308	1,398
Depreciation and amortization
Depreciation and amortization									214	228	230
Capital Expenditures
Capital Expenditures									209	210	187
Total Assets
Assets of discontinued operations											1,729
Total assets	13,988				13,800				13,988	13,800	15,520
Operating Segments [Member]
Operating Income
Operating income									1,212	1,308	1,441
Operating Segments [Member] | Aerospace Systems [Member]
Net Sales
Net products sales									1,827	1,755	1,579
Net services sales									2,730	2,844	2,857
Operating Income
Operating income									426	437	451
Depreciation and amortization
Depreciation and amortization									38	46	44
Capital Expenditures
Capital Expenditures									54	42	42
Total Assets
Total assets	3,087				3,074				3,087	3,074	3,125
Operating Segments [Member] | Electronic Systems [Member]
Net Sales
Net products sales									3,661	3,754	3,862
Net services sales									1,054	1,011	928
Operating Income
Operating income									533	569	624
Depreciation and amortization
Depreciation and amortization									117	121	124
Capital Expenditures
Capital Expenditures									71	77	79
Total Assets
Total assets	6,928				6,792				6,928	6,792	6,607
Operating Segments [Member] | Communication Systems [Member]
Net Sales
Net products sales									1,755	2,083	2,042
Net services sales									471	445	428
Operating Income
Operating income									168	223	265
Depreciation and amortization
Depreciation and amortization									48	47	43
Capital Expenditures
Capital Expenditures									59	84	60
Total Assets
Total assets	2,130				2,179				2,130	2,179	1,783
Operating Segments [Member] | NSS [Member]
Net Sales
Net products sales									71	98	153
Net services sales									1,228	1,292	1,465
Operating Income
Operating income									85	79	101
Depreciation and amortization
Depreciation and amortization									11	14	19
Capital Expenditures
Capital Expenditures									5	5	5
Total Assets
Total assets	1,247				1,228				1,247	1,228	1,317
Corporate [Member]
Capital Expenditures
Capital Expenditures									20	2	1
Total Assets
Total assets	596				527				596	527	959
Elimination of Intercompany Sales [Member]
Net Sales
Net products sales									(125)	(104)	(87)
Net services sales									$ (50)	$ (71)	$ (73)