Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities
Net earnings	$ 2,910	$ 2,591
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	956	938
Stock-based compensation	72	64
Deferred income taxes	(387)	(298)
Net periodic pension and OPB income	(339)	(230)
Pension and OPB contributions	(93)	(108)
Changes in assets and liabilities:
Accounts receivable, net	(155)	(256)
Unbilled receivables, net	(825)	(287)
Inventoried costs, net	(542)	(396)
Prepaid expenses and other assets	(15)	(127)
Accounts payable and other liabilities	(915)	(443)
Income taxes payable, net	1,106	40
Other operating activities, net	37	(43)
Net cash provided by operating activities	1,810	1,445
Investing activities
Capital expenditures	(951)	(972)
Proceeds from Sale, Maturity and Collection of Investments	0	157
Other investing activities, net	0	3
Net cash used in investing activities	(951)	(812)
Financing activities
Net proceeds from issuance of long-term debt	2,495	1,995
Repayments of Long-term Debt	0	(1,050)
Common stock repurchases	(2,073)	(1,154)
Cash dividends paid	(887)	(834)
Payments of employee taxes withheld from share-based awards	(57)	(51)
Other financing activities, net	(120)	(34)
Net cash used in financing activities	(642)	(1,128)
Increase (decrease) in cash and cash equivalents	217	(495)
Cash and cash equivalents, beginning of year	3,109	2,577
Cash and Cash Equivalents, at Carrying Value	$ 3,326	$ 2,082