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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+ Details

Information by Segment and Geographic Region - Additional Information (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020 USD ($)	Sep. 26, 2020 USD ($)	Jun. 27, 2020 USD ($)	Mar. 28, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 28, 2019 USD ($)	Jun. 29, 2019 USD ($)	Mar. 30, 2019 USD ($)	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment									2
Net sales	$ 2,273	$ 1,868	$ 1,618	$ 1,655	$ 2,377	$ 1,994	$ 1,860	$ 1,657	$ 7,414	$ 7,887	$ 7,343
Products and Systems Integration
Segment Reporting Information [Line Items]
Net sales									$ 4,634	5,329	5,100
Products and Systems Integration \| Sales Revenue, Segment
Segment Reporting Information [Line Items]
Percentage of net sales									63.00%
Software and Services
Segment Reporting Information [Line Items]
Net sales									$ 2,780	$ 2,558	$ 2,243
Software and Services \| Sales Revenue, Segment
Segment Reporting Information [Line Items]
Percentage of net sales									37.00%