Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Statement of Comprehensive Income [Abstract]
Net earnings	$ 737	$ 625	$ 1,445	$ 1,331
Gains (losses) on cash flow hedges	5	170	(86)	71
Foreign currency translation adjustments	68	159	30	(79)
Change in retirement plans’ funded status	71	84	172	171
Other comprehensive income, pretax	144	413	116	163
Provision for income tax, net	(13)	(62)	(13)	(56)
Other comprehensive income, net of tax	131	351	103	107
Comprehensive income	$ 868	$ 976	$ 1,548	$ 1,438