Segment Information - Summary of Segment Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 23, 2016	Sep. 25, 2015	Sep. 23, 2016	Sep. 25, 2015	Dec. 31, 2015
Net Sales:
Net sales	$ 2,505	$ 2,564	$ 7,522	$ 7,595
Operating Income:
Loss related to business divestitures		(9)		(29)
Goodwill impairment charges		(35)		(35)
Operating Income (loss)	215	231	714	571
Depreciation and amortization:
Depreciation and amortization	51	51	153	155
Total Assets:
Assets of discontinued operations					$ 664
Total Assets	11,811		11,811		12,067
Operating Segments [Member]
Operating Income:
Operating Income (loss)	215	275	714	635
Operating Segments [Member] | Electronic Systems [Member]
Net Sales:
Net sales	1,024	1,023	2,970	3,138
Operating Income:
Operating Income (loss)	119	121	339	352
Depreciation and amortization:
Depreciation and amortization	26	26	78	81
Total Assets:
Total Assets	6,636		6,636		6,426
Operating Segments [Member] | Aerospace Systems [Member]
Net Sales:
Net sales	1,012	1,068	3,167	3,092
Operating Income:
Operating Income (loss)	56	102	232	144
Depreciation and amortization:
Depreciation and amortization	13	13	40	37
Total Assets:
Total Assets	2,704		2,704		2,630
Operating Segments [Member] | Communication Systems [Member]
Net Sales:
Net sales	509	518	1,485	1,490
Operating Income:
Operating Income (loss)	40	52	143	139
Depreciation and amortization:
Depreciation and amortization	12	12	35	37
Total Assets:
Total Assets	2,113		2,113		1,984
Corporate [Member]
Total Assets:
Total Assets	358		358		$ 363
Elimination of Intercompany Sales [Member]
Net Sales:
Net sales	$ (40)	$ (45)	$ (100)	$ (125)