Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Apr. 01, 2018
Cash flows from operating activities - continuing operations:
Net earnings		$ 745	$ 799
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation of property, plant and equipment		114	89
Amortization of intangible and finance lease right-of-use assets		91	20
Equity-based compensation expense		40	29
Deferred income tax provision		(10)	4
(Increase) decrease in assets, net of effects of business acquisitions:
Accounts receivable		49	(150)
Unbilled receivables		(873)	(608)
Inventories		(210)	(236)
Increase (decrease) in liabilities, net of effects of business acquisitions:
Accounts payable		(167)	(358)
Customer advances and deposits		(623)	(149)
Other, net		49	64
Net cash used by operating activities	[1]	(795)	(496)
Cash flows from investing activities:
Capital expenditures		(181)	(104)
Other, net		(6)	(1)
Net cash used by investing activities		(187)	(105)
Cash flows from financing activities:
Proceeds from commercial paper, net		1,010	2,494
Dividends paid		(268)	(250)
Purchases of common stock		(133)	(267)
Other, net		88	(25)
Net cash provided by financing activities		697	1,952
Net cash used by discontinued operations		(5)	(2)
Net (decrease) increase in cash and equivalents		(290)	1,349
Cash and equivalents at beginning of period		963	2,983
Cash and equivalents at end of period		673	4,332
Supplemental cash flow information:
Income tax (payments) refunds, net		(37)	4
Interest payments		$ (48)	$ (21)

[1] * Continuing operations only