Intangible Assets and Goodwill - Recent Acquisitions (Details) - USD ($) $ in Millions																12 Months Ended
	Dec. 14, 2022	Oct. 25, 2022	Aug. 08, 2022	May 12, 2022	Apr. 19, 2022	Mar. 23, 2022	Mar. 03, 2022	Dec. 16, 2021	Oct. 29, 2021	Jul. 15, 2021	Aug. 28, 2020	Jul. 31, 2020	Jun. 16, 2020	Apr. 30, 2020	Mar. 03, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill																$ 3,312	$ 2,565	$ 2,219
Gain on TETRA Ireland equity method investment																21	$ 0	$ 0
Rave Mobile
Business Acquisition [Line Items]
Cash paid for acquisition	$ 553
Share-based compensation fair value	$ 2
Share-based compensation arrangement, award requisite service period	2 years
Goodwill	$ 431
Intangible assets	199
Net liabilities	77
Rave Mobile | Trade names
Business Acquisition [Line Items]
Intangible assets	$ 9
Intangible assets estimated useful lives	9 years
Rave Mobile | Developed technology
Business Acquisition [Line Items]
Intangible assets	$ 69
Intangible assets estimated useful lives	17 years
Rave Mobile | Customer relationships
Business Acquisition [Line Items]
Intangible assets	$ 121
Intangible assets estimated useful lives	17 years
Futurecom Systems Group, ULC
Business Acquisition [Line Items]
Cash paid for acquisition		$ 30
Goodwill		13
Intangible assets		11
Net liabilities		$ 6
Intangible assets estimated useful lives		6 years
Barrett Communications Pty Ltd
Business Acquisition [Line Items]
Cash paid for acquisition			$ 18
Recognized identifiable assets acquired and liabilities assumed, net assets			14
Goodwill			1
Intangible assets			$ 3
Intangible assets estimated useful lives			7 years
Barrett Communications Pty Ltd | Trade names
Business Acquisition [Line Items]
Intangible assets			$ 1
Barrett Communications Pty Ltd | Developed technology
Business Acquisition [Line Items]
Intangible assets			$ 2
Videotec S.p.A.
Business Acquisition [Line Items]
Cash paid for acquisition				$ 23
Share-based compensation fair value				$ 4
Share-based compensation arrangement, award requisite service period				1 year
Recognized identifiable assets acquired and liabilities assumed, net assets				$ 8
Goodwill				9
Intangible assets				$ 6
Videotec S.p.A. | Developed technology
Business Acquisition [Line Items]
Intangible assets estimated useful lives				4 years
Calipsa, Inc
Business Acquisition [Line Items]
Cash paid for acquisition					$ 39
Share-based compensation fair value					$ 4
Share-based compensation arrangement, award requisite service period					2 years
Goodwill					$ 24
Intangible assets					21
Net liabilities					6
Calipsa, Inc | Developed technology
Business Acquisition [Line Items]
Intangible assets					$ 20
Intangible assets estimated useful lives					15 years
Calipsa, Inc | Customer relationships
Business Acquisition [Line Items]
Intangible assets					$ 1
Intangible assets estimated useful lives					3 years
TETRA Ireland Communications Limited
Business Acquisition [Line Items]
Cash paid for acquisition						$ 120
Recognized identifiable assets acquired and liabilities assumed, net assets						6
Goodwill						47
Intangible assets						90
Gain on TETRA Ireland equity method investment						21										$ 21
TETRA Ireland Communications Limited | Trade names
Business Acquisition [Line Items]
Intangible assets						$ 7
Intangible assets estimated useful lives						14 years
TETRA Ireland Communications Limited | Customer relationships
Business Acquisition [Line Items]
Intangible assets						$ 83
Intangible assets estimated useful lives						12 years
Ava Security Limited
Business Acquisition [Line Items]
Cash paid for acquisition							$ 388
Share-based compensation fair value							$ 7
Share-based compensation arrangement, award requisite service period							2 years
Goodwill							$ 267
Intangible assets							165
Net liabilities							44
Ava Security Limited | Developed technology
Business Acquisition [Line Items]
Intangible assets							$ 144
Intangible assets estimated useful lives							14 years
Ava Security Limited | Customer relationships
Business Acquisition [Line Items]
Intangible assets							$ 21
Intangible assets estimated useful lives							2 years
911 Datamaster
Business Acquisition [Line Items]
Cash paid for acquisition								$ 35
Share-based compensation fair value								3
Recognized identifiable assets acquired and liabilities assumed, net assets								2
Goodwill								21
Intangible assets								$ 16
Average service period								2 years
911 Datamaster | Developed technology
Business Acquisition [Line Items]
Intangible assets								$ 7
Intangible assets estimated useful lives								9 years
911 Datamaster | Customer relationships
Business Acquisition [Line Items]
Intangible assets								$ 9
Intangible assets estimated useful lives								14 years
Envysion
Business Acquisition [Line Items]
Cash paid for acquisition									$ 124
Share-based compensation fair value									1
Recognized identifiable assets acquired and liabilities assumed, net assets									8
Goodwill									79
Intangible assets									$ 37
Average service period									1 year
Envysion | Trade names
Business Acquisition [Line Items]
Intangible assets									$ 5
Intangible assets estimated useful lives									9 years
Envysion | Developed technology
Business Acquisition [Line Items]
Intangible assets									$ 6
Intangible assets estimated useful lives									4 years
Envysion | Customer relationships
Business Acquisition [Line Items]
Intangible assets									$ 26
Intangible assets estimated useful lives									15 years
Openpath
Business Acquisition [Line Items]
Cash paid for acquisition										$ 298
Share-based compensation fair value										29
Goodwill										234
Intangible assets										73
Net liabilities										$ 9
Average service period										3 years
Potential earn-out payment										$ 40
Openpath | Developed technology
Business Acquisition [Line Items]
Intangible assets										$ 57
Intangible assets estimated useful lives										16 years
Openpath | Customer relationships
Business Acquisition [Line Items]
Intangible assets										$ 16
Intangible assets estimated useful lives										2 years
Callyo
Business Acquisition [Line Items]
Cash paid for acquisition											$ 61
Share-based compensation fair value											3
Goodwill											38
Intangible assets											31
Net liabilities											$ 8
Average service period											2 years
Consideration transferred											$ 63
Callyo | Developed technology
Business Acquisition [Line Items]
Intangible assets											$ 4
Intangible assets estimated useful lives											7 years
Callyo | Customer relationships
Business Acquisition [Line Items]
Intangible assets											$ 27
Intangible assets estimated useful lives											14 years
Pelco, Inc.
Business Acquisition [Line Items]
Cash paid for acquisition												$ 107
Recognized identifiable assets acquired and liabilities assumed, net assets												39
Goodwill												38
Intangible assets												30
Consideration transferred												110
Pelco, Inc. | Trade names
Business Acquisition [Line Items]
Intangible assets												$ 3
Intangible assets estimated useful lives												5 years
Pelco, Inc. | Developed technology
Business Acquisition [Line Items]
Intangible assets												$ 4
Intangible assets estimated useful lives												2 years
Pelco, Inc. | Customer relationships
Business Acquisition [Line Items]
Intangible assets												$ 23
Intangible assets estimated useful lives												15 years
IndigoVision
Business Acquisition [Line Items]
Cash paid for acquisition													$ 35
Goodwill													18
Intangible assets													22
Net liabilities													5
Consideration transferred													37
IndigoVision | Customer relationships
Business Acquisition [Line Items]
Intangible assets													$ 22
Intangible assets estimated useful lives													11 years
Cybersecurity Services Business
Business Acquisition [Line Items]
Cash paid for acquisition														$ 32	$ 33
Share-based compensation fair value															6
Goodwill														23	28
Intangible assets														10	7
Net liabilities														1	$ 2
Average service period															2 years
Consideration transferred															$ 40
Cybersecurity Services Business | Developed technology
Business Acquisition [Line Items]
Intangible assets														$ 2
Intangible assets estimated useful lives														3 years
Cybersecurity Services Business | Customer relationships
Business Acquisition [Line Items]
Intangible assets														$ 8	$ 7
Intangible assets estimated useful lives														12 years	13 years