Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 27, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 317	$ 442
Billed receivables, net of allowances of $14 in 2015 and 2014	836	852
Contracts in process	2,402	2,295
Inventories	336	288
Deferred income taxes	129	127
Other current assets	196	186
Assets held for sale	496	547
Total current assets	4,712	4,737
Property, plant and equipment, net	1,082	1,088
Goodwill	7,462	7,501
Identifiable intangible assets	240	243
Deferred debt issue costs	25	27
Other assets	261	240
Total assets	13,782	13,836
Current liabilities:
Accounts payable, trade	484	382
Accrued employment costs	508	510
Accrued expenses	341	402
Advance payments and billings in excess of costs incurred	541	573
Income taxes	21	23
Other current liabilities	405	398
Liabilities held for sale	225	237
Total current liabilities	2,525	2,525
Pension and postretirement benefits	1,192	1,187
Deferred income taxes	437	443
Other liabilities	387	382
Long-term debt	3,939	3,939
Total liabilities	8,480	8,476
Commitments and contingencies (see Note 17)
L-3 shareholders' equity:
L-3 Communications Holdings, Inc.'s common stock: $.01 par value; 300,000,000 shares authorized, 82,562,110 shares outstanding at March 27, 2015 and 82,040,525 shares outstanding at December 31, 2014 (L-3 Communications Corporation's common stock: $.01 par value, 100 shares authorized, issued and outstanding)	5,871	5,799
L-3 Communications Holdings, Inc.'s treasury stock (at cost), 73,794,080 shares at March 27, 2015 and 73,005,891 shares at December 31, 2014	(6,211)	(6,111)
Retained earnings	6,231	6,181
Accumulated other comprehensive loss	(663)	(584)
Total L-3 shareholders' equity	5,228	5,285
Noncontrolling interests	74	75
Total equity	5,302	5,360
Total liabilities and equity	$ 13,782	$ 13,836