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Intangible Assets and Goodwill - Recent Acquisition (Details) - USD ($) $ in Millions										3 Months Ended		9 Months Ended
	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	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021	Dec. 31, 2021
Business Acquisition [Line Items]
Gain on TETRA Ireland equity method investment										$ 0	$ 0	$ 21	$ 0
Goodwill										$ 2,851		2,851		$ 2,565
Barrett Communications
Business Acquisition [Line Items]
Cash paid for acquisition		$ 18
Goodwill		6
Net assets acquired		$ 12
Videotec
Business Acquisition [Line Items]
Cash paid for acquisition			$ 23
Share-based compensation acquired			$ 4
Average service period			1 year
Goodwill			$ 9
Intangible assets acquired			6
Net assets acquired			$ 8
Calipsa
Business Acquisition [Line Items]
Cash paid for acquisition				$ 39
Share-based compensation acquired				$ 4
Average service period				2 years
Goodwill				$ 24
Intangible assets acquired				21
Net liabilities				6
TETRA Ireland
Business Acquisition [Line Items]
Cash paid for acquisition					$ 120
Gain on TETRA Ireland equity method investment					21							$ 21
Goodwill					47
Intangible assets acquired					90
Net assets acquired					6
Ava
Business Acquisition [Line Items]
Cash paid for acquisition						$ 388
Share-based compensation acquired						$ 7
Average service period						2 years
Goodwill						$ 267
Intangible assets acquired						165
Net liabilities						44
911 Datamaster
Business Acquisition [Line Items]
Cash paid for acquisition							$ 35
Share-based compensation acquired							$ 3
Average service period							2 years
Goodwill							$ 21
Intangible assets acquired							16
Net liabilities							2
Envysion
Business Acquisition [Line Items]
Cash paid for acquisition								$ 124
Share-based compensation acquired								$ 1
Average service period								1 year
Goodwill								$ 79
Intangible assets acquired								37
Net assets acquired								8
Openpath
Business Acquisition [Line Items]
Cash paid for acquisition									$ 298
Share-based compensation acquired									$ 29
Average service period									3 years
Goodwill									$ 232
Intangible assets acquired									73
Net liabilities									7
Potential earn-out payment									40
Futurecom Systems Group, ULC | Subsequent Event
Business Acquisition [Line Items]
Cash paid for acquisition	$ 30
Customer Relationships | Calipsa
Business Acquisition [Line Items]
Intangible assets acquired				$ 1
Useful life				3 years
Customer Relationships | TETRA Ireland
Business Acquisition [Line Items]
Intangible assets acquired					$ 83
Useful life					12 years
Customer Relationships | Ava
Business Acquisition [Line Items]
Intangible assets acquired						$ 21
Useful life						2 years
Customer Relationships | 911 Datamaster
Business Acquisition [Line Items]
Intangible assets acquired							$ 9
Useful life							14 years
Customer Relationships | Envysion
Business Acquisition [Line Items]
Intangible assets acquired								$ 26
Useful life								15 years
Customer Relationships | Openpath
Business Acquisition [Line Items]
Intangible assets acquired									$ 16
Useful life									2 years
Trade Names | TETRA Ireland
Business Acquisition [Line Items]
Intangible assets acquired					$ 7
Useful life					14 years
Trade Names | Envysion
Business Acquisition [Line Items]
Intangible assets acquired								$ 5
Useful life								9 years
Technology | Videotec
Business Acquisition [Line Items]
Useful life			4 years
Technology | Calipsa
Business Acquisition [Line Items]
Intangible assets acquired				$ 20
Useful life				15 years
Technology | Ava
Business Acquisition [Line Items]
Intangible assets acquired						$ 144
Useful life						14 years
Technology | 911 Datamaster
Business Acquisition [Line Items]
Intangible assets acquired							$ 7
Useful life							9 years
Technology | Envysion
Business Acquisition [Line Items]
Intangible assets acquired								$ 6
Useful life								4 years
Technology | Openpath
Business Acquisition [Line Items]
Intangible assets acquired									$ 57
Useful life									16 years

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