Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 26, 2015	Jun. 27, 2014
Operating activities:
Net income	$ 233	$ 313
Depreciation of property, plant and equipment	87	84
Amortization of intangibles and other assets	23	25
Deferred income tax (benefit) provision	(13)	43
Stock-based employee compensation expense	24	29
Excess income tax benefits related to share-based payment arrangements	(24)	(16)
Contributions to employee savings plans in L-3 Holdings' common stock	62	74
Amortization of pension and postretirement benefit plans net loss and prior service cost	33	8
Amortization of bond discounts and deferred debt issue costs (included in interest expense)	4	3
Loss related to business divestitures	20
Other non-cash items	(6)	(4)
Changes in operating assets and liabilities, excluding amounts from acquisitions and divestitures:
Billed receivables	32	(61)
Contracts in process	(132)	(182)
Inventories	(70)	(8)
Other assets	5	8
Accounts payable, trade	82	14
Accrued employment costs	2	(3)
Accrued expenses	(48)	(76)
Advance payments and billings in excess of costs incurred	36	49
Income taxes		(1)
Other current liabilities	2	(36)
Pension and postretirement benefits	13	(16)
All other operating activities	(51)	(32)
Net cash from operating activities	314	215
Investing activities:
Business acquisitions, net of cash acquired	(260)	(57)
Proceeds from the sale of businesses, net of closing date cash balances	304
Capital expenditures	(85)	(67)
Dispositions of property, plant and equipment	1	2
Other investing activities	5	5
Net cash used in investing activities	(35)	(117)
Financing activities:
Proceeds from sale of Senior Notes		996
Retirement of CODES		(935)
Borrowings under revolving credit facility	600	1,031
Repayment of borrowings under revolving credit facility	(600)	(1,031)
Common stock repurchased	(346)	(333)
Dividends paid on L-3 Holdings' common stock	(111)	(107)
Proceeds from exercises of stock options	39	86
Proceeds from employee stock purchase plan	17	18
Excess income tax benefits related to share-based payment arrangements	24	16
Debt issue costs		(8)
Employee restricted stock units surrendered in lieu of income tax withholding	(33)	(26)
Other financing activities	(11)	(6)
Net cash (used in) from financing activities	(421)	(299)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(8)
Change in cash balance in assets held for sale	61
Net decrease in cash and cash equivalents	(89)	(201)
Cash and cash equivalents, beginning of the period	442	500
Cash and cash equivalents, end of the period	$ 353	$ 299