CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012
Net sales:
Products	$ 1,810	$ 1,791	$ 3,623	$ 3,537
Services	1,382	1,352	2,754	2,766
Total net sales	3,192	3,143	6,377	6,303
Cost of sales:
Products	1,623	1,574	3,243	3,120
Services	1,262	1,238	2,514	2,527
Total cost of sales	2,885	2,812	5,757	5,647
Operating income	307	331	620	656
Interest expense	(44)	(45)	(87)	(90)
Interest and other income, net	5	3	8	6
Income from continuing operations before income taxes	268	289	541	572
Provision for income taxes	82	98	161	194
Income from continuing operations	186	191	380	378
Income from discontinued operations, net of income taxes		17		33
Net income	186	208	380	411
Less: Net income attributable to noncontrolling interests	1	3	2	5
Net income attributable to L-3	$ 185	$ 205	$ 378	$ 406
Basic earnings per share attributable to L-3 Holdings' common shareholders:
Continuing operations	$ 2.06	$ 1.97	$ 4.20	$ 3.84
Discontinued operations		$ 0.14		$ 0.30
Basic earnings per share	$ 2.06	$ 2.11	$ 4.20	$ 4.14
Diluted earnings per share attributable to L-3 Holdings' common shareholders:
Continuing operations	$ 2.03	$ 1.94	$ 4.14	$ 3.79
Discontinued operations		$ 0.14		$ 0.29
Diluted earnings per share	$ 2.03	$ 2.08	$ 4.14	$ 4.08
Cash dividends paid per common share	$ 0.55	$ 0.50	$ 1.10	$ 1.00
L-3 Holdings' weighted average common shares outstanding:
Basic	89.9	97.2	90.1	98.1
Diluted	91.1	98.5	91.3	99.4