Segment Information - Operating Business Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025
Segment Reporting Information [Line Items]
Net sales	$ 2,714	$ 2,528
Cost of sales	1,352	1,228
Gross margin	1,362	1,300
Selling, general and administrative expenses	439	436
Research and development expenditures	252	233
Other charges	146	49
Operating earnings	525	582
Total other expense	(84)	(35)
Net earnings before income taxes	441	547
Products and Systems Integration
Segment Reporting Information [Line Items]
Net sales	1,559	1,546
Cost of sales	754	694
Gross margin	805	852
Selling, general and administrative expenses	341	341
Research and development expenditures	152	142
Other charges	99	17
Operating earnings	213	352
Software and Services
Segment Reporting Information [Line Items]
Net sales	1,155	982
Cost of sales	598	534
Gross margin	557	448
Selling, general and administrative expenses	98	95
Research and development expenditures	100	91
Other charges	47	32
Operating earnings	$ 312	$ 230