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Summary of Significant Accounting Policies - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Sep. 28, 2024	Sep. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 5,518.0	$ 5,342.0
Accumulated Amortization	4,673.4	4,453.4
Total acquired intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	5,462.1	5,290.3
Accumulated Amortization	4,628.3	4,412.9
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,567.0	4,411.0
Accumulated Amortization	3,834.0	3,649.5
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	25.1	25.7
Accumulated Amortization	0.0	0.0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	609.7	600.0
Accumulated Amortization	569.8	550.6
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	260.3	253.6
Accumulated Amortization	224.5	212.8
Internal-use software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	25.7	24.0
Accumulated Amortization	20.5	17.8
Capitalized software embedded in products
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	30.2	27.7
Accumulated Amortization	$ 24.6	$ 22.7

X

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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