Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating activities
Net earnings	$ 4,182	$ 4,174	$ 2,056
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	1,472	1,370	1,338
Mark-to-market pension and OPB (benefit) expense	(527)	(443)	422
Stock-based compensation	119	101	87
Deferred income taxes	548	(582)	(988)
B-21 loss provisions	477	0	1,559
Gain on sale of business	(231)	0	0
Net periodic pension and OPB income	(346)	(438)	(308)
Pension and OPB contributions	(130)	(129)	(139)
Changes in assets and liabilities:
Accounts receivable, net	(108)	182	54
Unbilled receivables, net	(754)	(215)	247
Inventoried costs, net	97	(358)	(220)
Prepaid expenses and other assets	8	35	(86)
Trade accounts payable	(646)	(485)	469
Advance payments and billings in excess of costs incurred	(19)	123	(587)
Other liabilities	212	875	(401)
Income taxes payable, net	(559)	1,143	(658)
Other operating activities	56	61	(8)
Net cash provided by operating activities	4,757	4,388	3,875
Investing activities
Capital expenditures	(1,450)	(1,767)	(1,775)
Proceeds from Sale, Maturity and Collection of Investments	0	0	197
Proceeds from Divestiture of Businesses	333	0	0
Other investing activities	(38)	18	(4)
Net cash used in investing activities	(1,155)	(1,749)	(1,582)
Financing activities
Net proceeds from issuance of long-term debt	998	2,495	1,995
Payments of long-term debt	(1,500)	0	(1,050)
Common stock repurchases	(1,624)	(2,514)	(1,500)
Cash dividends paid	(1,293)	(1,186)	(1,116)
Payments of employee taxes withheld from share-based awards	(39)	(58)	(52)
Other financing activities	(94)	(132)	(38)
Net cash used in financing activities	(3,552)	(1,395)	(1,761)
Increase in cash and cash equivalents	50	1,244	532
Cash and cash equivalents, beginning of year	4,353	3,109	2,577
Cash and cash equivalents, end of period	$ 4,403	$ 4,353	$ 3,109