Segment Information - Operating Business Segment (Details) $ in Millions	3 Months Ended
Mar. 30, 2019 USD ($) segment	Mar. 31, 2018 USD ($)
Segment Reporting [Abstract]
Number of segments \| segment	2
Segment Reporting Information [Line Items]
Net Sales	$ 1,657	$ 1,468
Operating Earnings by Segment
Operating earnings	229	171
Total other expense	(44)	(31)
Net earnings before income taxes	185	140
Products and Systems Integration
Segment Reporting Information [Line Items]
Net Sales	1,069	952
Operating Earnings by Segment
Operating earnings	108	90
Services and Software
Segment Reporting Information [Line Items]
Net Sales	588	516
Operating Earnings by Segment
Operating earnings	$ 121	$ 81

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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