CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 28, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 328	$ 349
Billed receivables, net of allowances of $28 in 2013 and $33 in 2012	1,038	968
Contracts in process	2,664	2,652
Inventories	378	363
Deferred income taxes	86	95
Other current assets	135	144
Total current assets	4,629	4,571
Property, plant and equipment, net	1,029	1,017
Goodwill	7,702	7,744
Identifiable intangible assets	294	314
Deferred debt issue costs	26	29
Other assets	182	151
Total assets	13,862	13,826
Current liabilities:
Accounts payable, trade	542	494
Accrued employment costs	565	551
Accrued expenses	387	462
Advance payments and billings in excess of costs incurred	571	671
Income taxes	7	21
Other current liabilities	395	398
Total current liabilities	2,467	2,597
Pension and postretirement benefits	1,366	1,360
Deferred income taxes	365	328
Other liabilities	360	373
Long-term debt	3,630	3,629
Total liabilities	8,188	8,287
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, 89,363,347 shares outstanding at June 28, 2013 and 90,433,743 shares outstanding at December 31, 2012 (L-3 Communications Corporation's common stock: $.01 par value, 100 shares authorized, issued and outstanding)	5,451	5,314
L-3 Communications Holdings, Inc.'s treasury stock (at cost), 60,502,518 shares at June 28, 2013 and 57,418,645 shares at December 31, 2012	(4,736)	(4,488)
Retained earnings	5,468	5,191
Accumulated other comprehensive loss	(583)	(554)
Total L-3 shareholders' equity	5,600	5,463
Noncontrolling interests	74	76
Total equity	5,674	5,539
Total liabilities and equity	$ 13,862	$ 13,826