Segment Information - Operating Business Segment (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Segment Reporting Information [Line Items]
Net sales	$ 1,618	$ 1,860	$ 3,273	$ 3,517
Operating Earnings by Segment
Operating earnings	218	349	476	579
Total other expense	(42)	(74)	(75)	(119)
Net earnings before income taxes	176	275	401	460
Products and Systems Integration
Segment Reporting Information [Line Items]
Net sales	968	1,238	1,961	2,307
Operating Earnings by Segment
Operating earnings	49	201	141	310
Software and Services
Segment Reporting Information [Line Items]
Net sales	650	622	1,312	1,210
Operating Earnings by Segment
Operating earnings	$ 169	$ 148	$ 335	$ 269

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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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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