Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2018	Oct. 01, 2017
Cash flows from operating activities - continuing operations:
Net earnings		$ 2,436	$ 2,276
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation of property, plant and equipment		352	269
Amortization of intangible assets		190	57
Equity-based compensation expense		110	93
Deferred income tax (benefit) provision		(66)	155
Discontinued operations, net of tax		13	0
(Increase) decrease in assets, net of effects of business acquisitions:
Accounts receivable		472	26
Unbilled receivables		(1,625)	(1,361)
Inventories		(854)	57
Increase (decrease) in liabilities, net of effects of business acquisitions:
Accounts payable		(324)	167
Customer advances and deposits		112	(296)
Income taxes payable		250	223
Other, net		15	216
Net cash provided by operating activities	[1]	1,081	1,882
Cash flows from investing activities:
Business acquisitions, net of cash acquired		(10,039)	(364)
Capital expenditures		(447)	(273)
Other, net		169	52
Net cash used by investing activities		(10,317)	(585)
Cash flows from financing activities:
Proceeds from notes		6,461	985
Proceeds from (repayments of) commercial paper, net		1,668	(2)
Dividends paid		(801)	(735)
Purchases of common stock		(533)	(1,172)
Repayment of CSRA accounts receivable purchase agreement		(450)	0
Other, net		(68)	43
Net cash provided (used) by financing activities		7,277	(881)
Net cash used by discontinued operations		(14)	(28)
Net (decrease) increase in cash and equivalents		(1,973)	388
Cash and equivalents at beginning of period		2,983	2,334
Cash and equivalents at end of period		1,010	2,722
Supplemental cash flow information:
Income tax payments, net		305	398
Interest payments		144	66
LIBOR
Cash flows from financing activities:
Proceeds from notes		$ 1,000	$ 0

[1] * Continuing operations only