Intangible Assets and Goodwill - Carrying Amount of Goodwill (Details) $ in Millions	9 Months Ended
Sep. 26, 2020 USD ($)
Goodwill Activity
Balance as of January 1, 2020	$ 2,067
Goodwill acquired	145
Foreign currency	(5)
Balance as of September 26, 2020	2,207
Products and Systems Integration
Goodwill Activity
Balance as of January 1, 2020	973
Goodwill acquired	46
Foreign currency	0
Balance as of September 26, 2020	1,019
Software and Services
Goodwill Activity
Balance as of January 1, 2020	1,094
Goodwill acquired	99
Foreign currency	(5)
Balance as of September 26, 2020	$ 1,188

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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