Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 1,618	$ 1,860	$ 3,273	$ 3,517
Products and Systems Integration
Disaggregation of Revenue [Line Items]
Net sales	968	1,238	1,961	2,307
Products and Systems Integration | Direct
Disaggregation of Revenue [Line Items]
Net sales	634	771	1,275	1,429
Products and Systems Integration | Indirect
Disaggregation of Revenue [Line Items]
Net sales	334	467	686	878
Products and Systems Integration | Devices
Disaggregation of Revenue [Line Items]
Net sales	582	809	1,202	1,495
Products and Systems Integration | Systems and Systems Integration
Disaggregation of Revenue [Line Items]
Net sales	386	429	759	812
Products and Systems Integration | Services
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Products and Systems Integration | Software
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Products and Systems Integration | North America
Disaggregation of Revenue [Line Items]
Net sales	719	911	1,467	1,666
Products and Systems Integration | International
Disaggregation of Revenue [Line Items]
Net sales	249	327	494	641
Software and Services
Disaggregation of Revenue [Line Items]
Net sales	650	622	1,312	1,210
Software and Services | Direct
Disaggregation of Revenue [Line Items]
Net sales	611	582	1,232	1,135
Software and Services | Indirect
Disaggregation of Revenue [Line Items]
Net sales	39	40	80	75
Software and Services | Devices
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Software and Services | Systems and Systems Integration
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Software and Services | Services
Disaggregation of Revenue [Line Items]
Net sales	484	469	976	921
Software and Services | Software
Disaggregation of Revenue [Line Items]
Net sales	166	153	336	289
Software and Services | North America
Disaggregation of Revenue [Line Items]
Net sales	374	342	742	662
Software and Services | International
Disaggregation of Revenue [Line Items]
Net sales	$ 276	$ 280	$ 570	$ 548