Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 25, 2016	Mar. 27, 2015
Operating activities:
Net income	$ 230	$ 109
Less: Income from discontinued operations, net of tax	(63)	(4)
Income from continuing operations	167	105
Depreciation of property, plant and equipment	40	42
Amortization of intangibles and other assets	10	10
Deferred income tax provision	12	10
Stock-based employee compensation expense	6	13
Contributions to employee savings plans in L-3 Holdings' common stock	30	26
Amortization of pension and postretirement benefit plans net loss and prior service cost	12	17
Amortization of bond discounts and deferred debt issue costs (included in interest expense)	$ 2	2
Loss related to business divestiture		22
Other non-cash items	$ 1	(6)
Changes in operating assets and liabilities, excluding amounts from acquisitions and divestitures, and discontinued operations:
Billed receivables	(32)	23
Contracts in process	(148)	(147)
Inventories	(19)	$ (31)
Other assets	4
Accounts payable, trade	115	$ 98
Accrued employment costs	(46)	(8)
Accrued expenses	16	(56)
Advance payments and billings in excess of costs incurred	(64)	(19)
Income taxes	20	27
Other current liabilities	(6)	4
Pension and postretirement benefits	(1)	4
All other operating activities	(7)	(24)
Net cash from operating activities from continuing operations	112	112
Investing activities:
Business acquisitions, net of cash acquired	(27)	$ (41)
Proceeds from the sale of businesses, net of closing date cash balances	576
Capital expenditures	(35)	$ (40)
Dispositions of property, plant and equipment	7	1
Other investing activities	9	6
Net cash from (used in) investing activities from continuing operations	530	(74)
Financing activities:
Borrowings under revolving credit facility	217	108
Repayment of borrowings under revolving credit facility	(217)	(108)
Common stock repurchased	(198)	(100)
Dividends paid on L-3 Holdings' common stock	(58)	(58)
Proceeds from exercises of stock options	14	37
Proceeds from employee stock purchase plan	8	9
Employee restricted stock units surrendered in lieu of income tax withholding	(20)	(33)
Other financing activities	(5)	(5)
Net cash used in financing activities from continuing operations	$ (259)	(150)
Effect of foreign currency exchange rate changes on cash and cash equivalents		(11)
Cash used in discontinued operations:
Operating activities	$ (56)	(2)
Investing activities		(1)
Cash used in discontinued operations	$ (56)	(3)
Change in cash balance in assets held for sale		1
Net increase (decrease) in cash and cash equivalents	$ 327	(125)
Cash and cash equivalents, beginning of the period	207	442
Cash and cash equivalents, end of the period	$ 534	$ 317