Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 29, 2019	Sep. 30, 2018
Cash flows from operating activities - continuing operations:
Net earnings		$ 2,464	$ 2,436
Adjustments to reconcile net earnings to net cash from operating activities:
Depreciation of property, plant and equipment		352	315
Amortization of intangible and finance lease right-of-use assets		273	227
Equity-based compensation expense		103	110
Deferred income tax benefit		(72)	(66)
Discontinued operations, net of tax		0	13
(Increase) decrease in assets, net of effects of business acquisitions:
Accounts receivable		253	472
Unbilled receivables		(1,603)	(1,625)
Inventories		(646)	(854)
Increase (decrease) in liabilities, net of effects of business acquisitions:
Accounts payable		(164)	(324)
Customer advances and deposits		(565)	112
Other, net		192	265
Net cash provided by operating activities	[1]	587	1,081
Cash flows from investing activities:
Capital expenditures		(606)	(447)
Business acquisitions, net of cash acquired		(19)	(10,039)
Other, net		21	169
Net cash used by investing activities		(604)	(10,317)
Cash flows from financing activities:
Proceeds from commercial paper, net		947	1,668
Dividends paid		(858)	(801)
Purchases of common stock		(231)	(533)
Proceeds from notes		0	6,461
Repayment of CSRA accounts receivable purchase agreement		0	(450)
Other, net		207	(68)
Net cash provided by financing activities		65	7,277
Net cash used by discontinued operations		(37)	(14)
Net increase (decrease) in cash and equivalents		11	(1,973)
Cash and equivalents at beginning of period		963	2,983
Cash and equivalents at end of period		974	1,010
Supplemental cash flow information:
Income tax payments, net		487	305
Interest payments		271	144
Floating-rate notes
Cash flows from financing activities:
Proceeds from notes		$ 0	$ 1,000

[1] * Continuing operations only