Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net earnings	$ 342	$ 1,641	$ 2,054	$ 3,186
Postretirement benefit plans
Amortization, net, net of tax of $18 million and $35 million in 2025 and $5 million and $10 million in 2024	64	19	128	38
Other, net, net of tax of $9 million and $15 million in 2025 and $8 million in 2024	102	23	167	(4)
Other comprehensive income, net of tax	166	42	295	34
Comprehensive income	$ 508	$ 1,683	$ 2,349	$ 3,220