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Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 2,389	$ 2,171
Direct
Disaggregation of Revenue [Line Items]
Net sales	1,682	1,518
Indirect
Disaggregation of Revenue [Line Items]
Net sales	707	653
LMR Communications
Disaggregation of Revenue [Line Items]
Net sales	1,822	1,657
Video
Disaggregation of Revenue [Line Items]
Net sales	398	359
Command Center
Disaggregation of Revenue [Line Items]
Net sales	169	155
North America
Disaggregation of Revenue [Line Items]
Net sales	1,693	1,492
International
Disaggregation of Revenue [Line Items]
Net sales	696	679
Products and Systems Integration
Disaggregation of Revenue [Line Items]
Net sales	1,490	1,303
Products and Systems Integration | Direct
Disaggregation of Revenue [Line Items]
Net sales	860	723
Products and Systems Integration | Indirect
Disaggregation of Revenue [Line Items]
Net sales	630	580
Products and Systems Integration | LMR Communications
Disaggregation of Revenue [Line Items]
Net sales	1,255	1,080
Products and Systems Integration | Video
Disaggregation of Revenue [Line Items]
Net sales	235	223
Products and Systems Integration | Command Center
Disaggregation of Revenue [Line Items]
Net sales	0	0
Products and Systems Integration | North America
Disaggregation of Revenue [Line Items]
Net sales	1,082	950
Products and Systems Integration | International
Disaggregation of Revenue [Line Items]
Net sales	408	353
Software and Services
Disaggregation of Revenue [Line Items]
Net sales	899	868
Software and Services | Direct
Disaggregation of Revenue [Line Items]
Net sales	822	795
Software and Services | Indirect
Disaggregation of Revenue [Line Items]
Net sales	77	73
Software and Services | LMR Communications
Disaggregation of Revenue [Line Items]
Net sales	567	577
Software and Services | Video
Disaggregation of Revenue [Line Items]
Net sales	163	136
Software and Services | Command Center
Disaggregation of Revenue [Line Items]
Net sales	169	155
Software and Services | North America
Disaggregation of Revenue [Line Items]
Net sales	611	542
Software and Services | International
Disaggregation of Revenue [Line Items]
Net sales	$ 288	$ 326

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