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Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 2,171	$ 1,892
Direct
Disaggregation of Revenue [Line Items]
Net sales	1,518	1,358
Indirect
Disaggregation of Revenue [Line Items]
Net sales	653	534
LMR Communications
Disaggregation of Revenue [Line Items]
Net sales	1,657	1,455
Video
Disaggregation of Revenue [Line Items]
Net sales	359	307
Command Center
Disaggregation of Revenue [Line Items]
Net sales	155	130
North America
Disaggregation of Revenue [Line Items]
Net sales	1,492	1,305
International
Disaggregation of Revenue [Line Items]
Net sales	679	587
Products and Systems Integration
Disaggregation of Revenue [Line Items]
Net sales	1,303	1,103
Products and Systems Integration | Direct
Disaggregation of Revenue [Line Items]
Net sales	723	656
Products and Systems Integration | Indirect
Disaggregation of Revenue [Line Items]
Net sales	580	447
Products and Systems Integration | LMR Communications
Disaggregation of Revenue [Line Items]
Net sales	1,080	909
Products and Systems Integration | Video
Disaggregation of Revenue [Line Items]
Net sales	223	194
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	950	831
Products and Systems Integration | International
Disaggregation of Revenue [Line Items]
Net sales	353	272
Software and Services
Disaggregation of Revenue [Line Items]
Net sales	868	789
Software and Services | Direct
Disaggregation of Revenue [Line Items]
Net sales	795	702
Software and Services | Indirect
Disaggregation of Revenue [Line Items]
Net sales	73	87
Software and Services | LMR Communications
Disaggregation of Revenue [Line Items]
Net sales	577	546
Software and Services | Video
Disaggregation of Revenue [Line Items]
Net sales	136	113
Software and Services | Command Center
Disaggregation of Revenue [Line Items]
Net sales	155	130
Software and Services | North America
Disaggregation of Revenue [Line Items]
Net sales	542	474
Software and Services | International
Disaggregation of Revenue [Line Items]
Net sales	$ 326	$ 315

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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