Segment Information - Operating Business Segment (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Segment Reporting Information [Line Items]
Net sales	$ 1,994	$ 1,862	$ 5,511	$ 5,089
Operating Earnings by Segment
Operating earnings	413	294	991	739
Total other expense	(65)	(24)	(183)	(102)
Net earnings before income taxes	348	270	808	637
Products and Systems Integration
Segment Reporting Information [Line Items]
Net sales	1,349	1,288	3,656	3,429
Operating Earnings by Segment
Operating earnings	258	183	568	449
Services and Software
Segment Reporting Information [Line Items]
Net sales	645	574	1,855	1,660
Operating Earnings by Segment
Operating earnings	$ 155	$ 111	$ 423	$ 290

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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