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Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Millions | Dec. 31, 2016 | Sep. 24, 2016
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 4,481.6 | $ 5,324.9
Accumulated Amortization | 2,475.9 | 2,681.5
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 3,727.4 | 3,983.7
Accumulated Amortization | 1,962.9 | 1,991.6
In-process research and development |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 3.7 | 3.7
Accumulated Amortization | 0.0 | 0.0
Customer relationships and contracts |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 512.1 | 1,098.9
Accumulated Amortization | 366.9 | 546.2
Trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 236.1 | 236.2
Accumulated Amortization | 144.1 | 141.6
Business licenses |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 2.3 | 2.4
Accumulated Amortization | $ 2.0 | $ 2.1

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- Definition 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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