Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating activities
Net earnings	$ 875	$ 481
Adjustments to reconcile to net cash used in operating activities:
Depreciation and amortization	372	337
Stock-based compensation	20	20
Deferred income taxes	308	(34)
B-21 loss provision	0	477
Net periodic pension and OPB income	(120)	(81)
Pension and OPB contributions	(33)	(28)
Changes in assets and liabilities:
Accounts receivable, net	(431)	(542)
Unbilled receivables, net	(551)	(1,069)
Inventoried costs, net	(144)	(125)
Prepaid expenses and other assets	(37)	(42)
Increase (Decrease) in Accounts Payable	(559)	(93)
Increase (Decrease) in Contract with Customer, Liability	(389)	(358)
Increase (Decrease) in Other Accrued Liabilities	(802)	(563)
Income taxes payable, net	(164)	58
Other operating activities, net	(1)	(3)
Net cash used in operating activities	(1,656)	(1,565)
Investing activities
Capital expenditures	(167)	(256)
Other investing activities, net	(1)	4
Net cash used in investing activities	(168)	(252)
Financing activities
Payments of long-term debt	(527)	(1,500)
Proceeds from (Repayments of) Commercial Paper	498	1,474
Common stock repurchases	(68)	(480)
Cash dividends paid	(333)	(302)
Payments of employee taxes withheld from share-based awards	(57)	(38)
Other financing activities, net	(2)	(5)
Net cash used in financing activities	(489)	(851)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect, Continuing Operation	(2,313)	(2,668)
Cash and cash equivalents, beginning of year	4,403	4,353
Cash and cash equivalents, end of period	$ 2,090	$ 1,685