Unaudited Condensed Consolidated Statements of Cash Flows (USD $) In Millions	6 Months Ended
	Jul. 01, 2011		Jun. 25, 2010
Operating activities:
Net income	$ 453		$ 453
Depreciation of property, plant and equipment	88		77
Amortization of intangibles and other assets	35		31
Deferred income tax provision	56		65
Stock-based employee compensation expense	34		42
Contributions to employee savings plans in L-3 Holdings' common stock	78		74
Amortization of pension and postretirement benefit plans net loss and prior service cost	26		19
Amortization of bond discounts (included in interest expense)	3		12
Amortization of deferred debt issue costs (included in interest expense)	5		6
Non-cash portion of debt retirement charge	5		5
Other non-cash items	(3)		(2)
Subtotal	780		782
Changes in operating assets and liabilities, excluding acquired and divested amounts:
Billed receivables	67		(139)
Contracts in process	(182)		(148)
Inventories	(41)		3
Accounts payable, trade	42		8
Accrued employment costs	(32)		45
Accrued expenses	9		66
Advance payments and billings in excess of costs incurred	(26)		(14)
Income taxes	(17)		30
Excess income tax benefits related to share-based payment arrangements	(2)		(6)
Other current liabilities	(18)		(25)
Pension and postretirement benefits	(35)		9
All other operating activities	(26)		(22)
Subtotal	(261)		(193)
Net cash from operating activities	519		589
Investing activities:
Business acquisitions, net of cash acquired	(15)		(616)
Capital expenditures	(78)		(64)
Dispositions of property, plant and equipment	1		1
Investments in equity investees			(9)
Other investing activities	3
Net cash used in investing activities	(89)		(688)
Financing activities:
Proceeds from sale of senior notes	646		797
Redemption of senior subordinated notes	(650)		(400)
Redemption of CODES	(11)
Borrowings under revolving credit facility	371
Repayment of borrowings under revolving credit facility	(371)
Common stock repurchased	(429)		(254)
Dividends paid on L-3 Holdings' common stock	(97)		(93)
Proceeds from exercises of stock options	18		55
Proceeds from employee stock purchase plan	23		32
Debt issue costs	(6)		(7)
Excess income tax benefits related to share-based payment arrangements	2		6
Other financing activities			(4)
Net cash (used in) from financing activities	(504)		132
Effect of foreign currency exchange rate changes on cash and cash equivalents	15		(26)
Net (decrease) increase in cash and cash equivalents	(59)		7
Cash and cash equivalents, beginning of the period	607		1,016
Cash and cash equivalents, end of the period	$ 548	[1]	$ 1,023

[1] Unaudited