Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2026	Mar. 30, 2025
Operating activities
Net earnings	$ 1,488	$ 1,712
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	398	397
Stock-based compensation	83	60
Deferred income taxes	161	(34)
Qualified defined benefit pension plans	92	111
Changes in assets and liabilities
Receivables, net	1,579	327
Contract assets	(2,884)	(1,720)
Inventories	(727)	(125)
Accounts payable	1,222	1,680
Contract liabilities	(705)	(420)
Income taxes	103	339
Other, net	(590)	(918)
Net cash provided by operating activities	220	1,409
Investing activities
Capital expenditures	(511)	(454)
Other, net	(30)	24
Net cash used for investing activities	(541)	(430)
Financing activities
Repayments of long-term debt	(1,000)	0
Repurchases of common stock	0	(750)
Dividends paid	(816)	(796)
Other, net	(90)	(113)
Net cash used for financing activities	(1,906)	(1,659)
Net change in cash and cash equivalents	(2,227)	(680)
Cash and cash equivalents at beginning of period	4,121	2,483
Cash and cash equivalents at end of period	$ 1,894	$ 1,803