Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 24, 2023	Sep. 25, 2022	Sep. 24, 2023	Sep. 25, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 1,684	$ 1,778	$ 5,054	$ 3,820
Postretirement benefit plans
Net actuarial gain recognized due to plan remeasurements, net of tax of $44 million and $505 million in 2022	0	162	0	1,860
Amortization of actuarial losses and prior service credits, net of tax of $10 million and $30 million in 2023 and $1 million and $27 million in 2022	(37)	(2)	(111)	93
Pension settlement charge, net of tax of $314 million in 2022	0	0	0	1,156
Other, net, net of tax of $5 million and $4 million in 2023 and $6 million and $12 million in 2022	(30)	(126)	(12)	(237)
Other comprehensive income, net of tax	(67)	34	(123)	2,872
Comprehensive income	$ 1,617	$ 1,812	$ 4,931	$ 6,692