Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities - continuing operations:
Net earnings	$ 3,257	$ 3,167	$ 3,484
Adjustments to reconcile net earnings to net cash from operating activities:
Depreciation of property, plant and equipment	568	523	466
Amortization of intangible and finance lease right-of-use assets	322	355	363
Equity-based compensation expense	126	128	133
Deferred income tax (benefit) provision	(66)	(127)	92
(Increase) decrease in assets, net of effects of business acquisitions:
Accounts receivable	138	371	176
Unbilled receivables	(410)	(116)	(1,303)
Inventories	405	502	(376)
Increase (decrease) in liabilities, net of effects of business acquisitions:
Accounts payable	194	(215)	6
Customer advances and deposits	354	(707)	(105)
Other, net	(617)	(23)	45
Net cash provided by operating activities	4,271	3,858	2,981
Cash flows from investing activities:
Capital expenditures	(887)	(967)	(987)
Other, net	5	(7)	(7)
Net cash used by investing activities	(882)	(974)	(994)
Cash flows from financing activities:
Proceeds from commercial paper, gross (maturities greater than 3 months)	1,997	420	0
Repayment of commercial paper, gross (maturities greater than 3 months)	(1,997)	(420)	0
Purchases of common stock	(1,828)	(587)	(231)
Proceeds from fixed-rate notes	1,497	3,960	0
Dividends paid	(1,315)	(1,240)	(1,152)
Proceeds from (repayment of) credit facility, net	6	(441)	291
Repayment of commercial paper, net	0	0	(850)
Other, net	50	(95)	(55)
Net cash used by financing activities	(4,590)	(903)	(1,997)
Net cash used by discontinued operations	(20)	(59)	(51)
Net (decrease) increase in cash and equivalents	(1,221)	1,922	(61)
Cash and equivalents at beginning of year	2,824	902	963
Cash and equivalents at end of year	1,603	2,824	902
Fixed-rate notes
Cash flows from financing activities:
Repayments of notes	(2,500)	(2,000)	0
Floating-rate notes
Cash flows from financing activities:
Repayments of notes	$ (500)	$ (500)	$ 0