Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jul. 05, 2015	Jun. 29, 2014
Cash flows from operating activities - continuing operations:
Net earnings		$ 1,468	$ 1,136
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation of property, plant and equipment		184	191
Amortization of intangible assets		59	61
Equity-based compensation expense		71	64
Excess tax benefit from stock-based compensation		(57)	(54)
Deferred income tax provision		21	64
Discontinued operations, net of tax		0	106
(Increase) decrease in assets, net of effects of business acquisitions:
Accounts receivable		455	(104)
Contracts in process		330	(130)
Inventories		(149)	(278)
Increase (decrease) in liabilities, net of effects of business acquisitions:
Accounts payable		222	270
Customer advances and deposits		(1,252)	25
Other, net		(4)	(57)
Net cash provided by operating activities	[1]	1,348	1,294
Cash flows from investing activities - continuing operations:
Maturities of held-to-maturity securities		500	0
Proceeds from sales of assets		259	3
Capital expenditures		(190)	(162)
Other, net		(18)	14
Net cash provided (used) by investing activities		551	(145)
Cash flows from financing activities - continuing operations:
Purchases of common stock		(1,565)	(2,691)
Repayments of fixed-rate notes		(500)	0
Dividends paid		(432)	(411)
Proceeds from stock option exercises		198	415
Other, net		60	54
Net cash used by financing activities		(2,239)	(2,633)
Net cash used (provided) by discontinued operations		(16)	24
Net increase (decrease) in cash and equivalents		(356)	(1,460)
Cash and equivalents at beginning of period		4,388	5,301
Cash and equivalents at end of period		4,032	3,841
Cash payments for:
Income taxes		530	281
Interest		$ 45	$ 44

[1] * Continuing operations only