Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 764	$ 607
Billed receivables, net of allowances of $27 in 2011 and $34 in 2010	1,240	1,299
Contracts in process	2,629	2,548
Inventories	317	303
Deferred income taxes	99	114
Other current assets	195	207
Total current assets	5,244	5,078
Property, plant and equipment, net	934	923
Goodwill	8,697	8,730
Identifiable intangible assets	410	470
Deferred debt issue costs	33	39
Other assets	179	211
Total assets	15,497	15,451
Current liabilities:
Current portion of long-term debt	0	11
Accounts payable, trade	432	463
Accrued employment costs	631	672
Accrued expenses	616	569
Advance payments and billings in excess of costs incurred	564	580
Income taxes	40	49
Other current liabilities	407	389
Total current liabilities	2,690	2,733
Pension and postretirement benefits	1,137	943
Deferred income taxes	385	308
Other liabilities	436	486
Long-term debt	4,125	4,126
Total liabilities	8,773	8,596
Commitments and contingencies (see Note 19)
L-3 shareholders' equity:
L-3 Communications Holdings, Inc's common stock: $.01 par value; 300,000,000 shares authorized, 98,979,411 shares outstanding at December 31, 2011 and 108,623,509 shares outstanding at December 31, 2010 (L-3 Communications Corporation's common stock: $.01 par value, 100 shares authorized, issued and outstanding)	5,064	4,801
L-3 Communications Holdings, Inc's treasury stock (at cost), 45,314,918 shares at December 31, 2011 and 32,037,454 shares at December 31, 2010	(3,616)	(2,658)
Retained earnings	5,641	4,877
Accumulated other comprehensive loss	(454)	(256)
Total L-3 shareholders' equity	6,635	6,764
Noncontrolling interests	89	91
Total equity	6,724	6,855
Total liabilities and equity	$ 15,497	$ 15,451