Segment Information - Summary of Segment Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended						6 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended					3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013	Jun. 27, 2014 Aerospace Systems [Member]	Mar. 28, 2014 Aerospace Systems [Member]	Dec. 31, 2013 Aerospace Systems [Member]	Sep. 27, 2013 Aerospace Systems [Member]	Jun. 28, 2013 Aerospace Systems [Member]	Mar. 29, 2013 Aerospace Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member]	Dec. 31, 2013 Aerospace Systems [Member]	Dec. 31, 2012 Aerospace Systems [Member]	Dec. 31, 2011 Aerospace Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member]	Sep. 26, 2014 Operating Segments [Member] Electronic Systems [Member]	Sep. 27, 2013 Operating Segments [Member] Electronic Systems [Member]	Sep. 26, 2014 Operating Segments [Member] Electronic Systems [Member]	Sep. 27, 2013 Operating Segments [Member] Electronic Systems [Member]	Dec. 31, 2013 Operating Segments [Member] Electronic Systems [Member]	Sep. 26, 2014 Operating Segments [Member] Aerospace Systems [Member]	Sep. 27, 2013 Operating Segments [Member] Aerospace Systems [Member]	Sep. 26, 2014 Operating Segments [Member] Aerospace Systems [Member]	Sep. 27, 2013 Operating Segments [Member] Aerospace Systems [Member]	Dec. 31, 2013 Operating Segments [Member] Aerospace Systems [Member]	Sep. 26, 2014 Operating Segments [Member] Communication Systems [Member]	Sep. 27, 2013 Operating Segments [Member] Communication Systems [Member]	Sep. 26, 2014 Operating Segments [Member] Communication Systems [Member]	Sep. 27, 2013 Operating Segments [Member] Communication Systems [Member]	Dec. 31, 2013 Operating Segments [Member] Communication Systems [Member]	Sep. 26, 2014 Operating Segments [Member] NSS [Member]	Sep. 27, 2013 Operating Segments [Member] NSS [Member]	Sep. 26, 2014 Operating Segments [Member] NSS [Member]	Sep. 27, 2013 Operating Segments [Member] NSS [Member]	Dec. 31, 2013 Operating Segments [Member] NSS [Member]	Sep. 26, 2014 Corporate [Member]	Dec. 31, 2013 Corporate [Member]	Sep. 26, 2014 Elimination of Intercompany Sales [Member]	Sep. 27, 2013 Elimination of Intercompany Sales [Member]	Sep. 26, 2014 Elimination of Intercompany Sales [Member]	Sep. 27, 2013 Elimination of Intercompany Sales [Member]
Net Sales:
Net Sales	$ 2,940	$ 3,002	$ 8,916	$ 9,388		$ (10)	$ (13)	$ (21)	$ 5	$ (3)	$ 12	$ (23)	$ (7)	$ (38)	$ (4)	$ (73)	$ 1,128	$ 1,139	$ 3,349	$ 3,438		$ 1,037	$ 1,092	$ 3,173	$ 3,416		$ 507	$ 486	$ 1,562	$ 1,667		$ 307	$ 323	$ 948	$ 987				$ (39)	$ (38)	$ (116)	$ (120)
Operating Income:
Operating income	257	306	782	906													125	144	383	388		64	105	196	336		49	31	147	116		19	26	56	66
Depreciation and amortization:
Depreciation and amortization	56	52	165	158													30	28	89	87		11	10	30	28		13	12	38	35		2	2	8	8
Total Assets:
Total Assets	$ 14,041		$ 14,041		$ 13,988												$ 6,998		$ 6,998		$ 6,928	$ 2,961		$ 2,961		$ 3,087	$ 2,076		$ 2,076		$ 2,130	$ 1,312		$ 1,312		$ 1,247	$ 694	$ 596