Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
Mar. 27, 2016	Mar. 29, 2015
Operating activities
Net earnings	$ 794	$ 878
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	296	244
Stock-based compensation	44	40
Severance charges	99
Changes in assets and liabilities
Receivables, net	(558)	(661)
Inventories, net	(310)	(205)
Accounts payable	751	375
Customer advances and amounts in excess of costs incurred	(146)	(242)
Postretirement benefit plans	246	292
Income taxes	225	395
Other, net	122	(159)
Net cash provided by operating activities	1,563	957
Investing activities
Capital expenditures	(151)	(118)
Other, net	4	26
Net cash used for investing activities	(147)	(92)
Financing activities
Issuance of long-term debt, net of related costs		2,213
Repurchases of common stock	(501)	(604)
Proceeds from stock option exercises	28	65
Dividends paid	(533)	(498)
Other, net	(48)	(1)
Net cash (used for) provided by financing activities	(1,054)	1,175
Net change in cash and cash equivalents	362	2,040
Cash and cash equivalents at beginning of period	1,090	1,446
Cash and cash equivalents at end of period	$ 1,452	$ 3,486

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are voluntarily and involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

No definition available.