UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 29, 2017	Sep. 23, 2016	Sep. 29, 2017	Sep. 23, 2016
Net sales:
Products		$ 1,581	$ 1,500	$ 4,859	$ 4,561
Services		1,065	1,005	3,188	2,961
Total net sales		2,646	2,505	8,047	7,522
Cost of sales:
Products		(1,446)	(1,355)	(4,311)	(4,095)
Services		(950)	(935)	(2,921)	(2,713)
Total cost of sales		(2,396)	(2,290)	(7,232)	(6,808)
Goodwill impairment charge	[1]	(187)	0	(187)	0
Operating income		63	215	628	714
Interest expense		(43)	(41)	(128)	(125)
Interest and other income, net		6	6	15	15
Debt retirement charge				0	(5)
Income from continuing operations before income taxes		26	180	515	599
Provision for income taxes		0	(29)	(114)	(130)
Income from continuing operations		26	151	401	469
(Loss) income from discontinued operations, net of income taxes		(1)	0	(1)	63
Net income		25	151	400	532
Net income from continuing operations attributable to noncontrolling interests		(3)	(3)	(12)	(10)
Net income attributable to L3		$ 22	$ 148	$ 388	$ 522
Basic earnings (loss) per share attributable to common shareholders:
Continuing operations (in dollars per share)		$ 0.29	$ 1.91	$ 4.98	$ 5.93
Discontinued operations (in dollars per share)		(0.01)	0	(0.01)	0.81
Basic earnings per share (in dollars per share)		0.28	1.91	4.97	6.74
Diluted earnings (loss) per share attributable to common shareholders:
Continuing operations (in dollars per share)		0.29	1.88	4.88	5.83
Discontinued operations (in dollars per share)		(0.01)	0	(0.01)	0.80
Diluted earnings per share (in dollars per share)		0.28	1.88	4.87	6.63
Cash dividends declared per common share (in dollars per share)		$ 0.75	$ 0.70	$ 2.25	$ 2.10
Weighted average common shares outstanding:
Basic (in shares)		78.2	77.3	78.0	77.4
Diluted (in shares)		79.8	78.8	79.6	78.7

[1] Represents a goodwill impairment charge recorded during the third quarter of 2017 related to Vertex Aerospace. See Note 8 for additional information.